Question
213 x 111 + 712 x 111 + 116 x 111
= (a)            x 111
= (b)           
2 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

213 x 111 + 712 x 111 + 116 x 111
= (a)            x 111
= (b)