Question

1. 2 1 x 4 2

Explanation:

Step1: Multiply ones - digits

$1\times2 = 2$

Step2: Multiply tens - digits and ones - digits cross - wise and sum

$(2\times2)+(1\times4)=4 + 4=8$

Step3: Multiply tens - digits

$2\times4 = 8$

Answer:

882