Question
513 x 14 + 116 x 14 + 512 x 14
= (a)            x 14
= (b)           
2 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

513 x 14 + 116 x 14 + 512 x 14
= (a)            x 14
= (b)