The written notation of multiplication is: ノ一丨丨一一ノフノ丶.
成 chéng (shèng): a single character, symmetrical left and right, equidistant across the horizontal strokes. The first stroke is drawn flat to the right, and the folded edge is drawn to the left, not too long. The second short horizontal stroke is slightly to the left, slightly shoulder-resistant, but not too heavy; the "卝" in the middle should not be written high, and the two vertical strokes are hugging each other, the left vertical is slanted to the right, the right vertical is slanted to the left, with a slight intention of leaving, and the two horizontal strokes should not be heavy. In the middle part of the vertical pen, the left horizontal line is shoulder-resistant and the right horizontal line is slightly collapsed.
The long horizontal pen is raised to the left, slightly shoulder-resistant and slightly arched, and the pen is closed slightly heavier on the right side. The vertical pen is started from a point above the short horizontal line, the vertical body is slightly thinner in the middle, and finally the right point is started from the lower part of the upper horizontal and vertical lines, which is slightly heavier. It is very powerful, close the pen and "kneel down to flick the edge" to release the hook. The left point is connected to the lower part of the horizontal and vertical intersection, and the pen is slightly tilted to the left, but not too heavy.
"成" (chéng), this is a knowing word. The upper part of the word "Cheng" in Oracle Bone Inscriptions is a "big", which means a person; the lower part is a "木", which means a tree. The two shapes understand each other, indicating that a person has climbed high into a big tree.
The bronze inscription adds two more feet to the lower part of the "big" human figure. The small seal script was corrupted due to the "big" shape fracture. When the regular script went through the official transformation process, it was changed again, so it was written as "Cheng". The character "成" in oracle bone inscriptions has a very primitive configuration, but its meaning is very clear.