40 x 2 x 30 x \(\frac{2}{12}\) x 40 x16
= 80 x 5 x 640
= 400 x 640
= 1040
42 x 32 x2/12 x14 x 16=(42 x 32) x (2/12 x 14)x 16=1344 x 7/3 x 16 =50176
42x32x2/12x14x16
=1344x2/12x224
=224x224
=50176
40 x 2 x 30 x $\frac{2}{12}$212 x 40 x16
= 80 x 5 x 640
= 400 x 640
= 1040