Question
816 x 18 + 112 x 18 + 613 x 18
= (a)            x 18
= (b)           
2 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

816 x 18 + 112 x 18 + 613 x 18
= (a)            x 18
= (b)