Li wants to buy 10 pieces of glass, each of which is 50 cm long and 36 cm wide. If the price of glass per square decimeter is 8 cents, how much does it cost to buy these glasses?
0.8×(50×36× 10÷ 100)
=0.8×( 1800× 10÷ 100)
=0.8× 180
= 144 (yuan)
A: You need 144 yuan for this pair of glasses.