Question

22/7*2*0.42*1.2
Please show me the process.....

Answer 1

$\frac{22}{7} \times 2 \times 0.42 \times 1.2 \\ = 22 \times 2 \times 0.06 \times 1.2 \\ = 44 \times 0.072 \\ = 3.168$