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A box of biscuits is 20cm long, 15cm wide and 30cm high. There is a label paper around it. What is the area of this label paper?
Don't ask for up, down, left and right, up and down equals length times width.

Front and back =20* 15=300 (square centimeter)

Left and right = 15*30=450 (square centimeter)

Trademark paper =(300+450)*2

=750*2

= 1500 (square centimeter)

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