What is 1.5m x 0.75 x 8 and can you show working out?

To calculate (1.5 , \text{m} \times 0.75 \times 8), first multiply (1.5) and (0.75):

[ 1.5 \times 0.75 = 1.125 ]

Next, multiply the result by (8):

[ 1.125 \times 8 = 9 ]

So, (1.5 , \text{m} \times 0.75 \times 8 = 9 , \text{m}).