Question

Please answer this question

Answer 1

(4+1) x (12 x 7)

420

The only way to get this answer is to use trial and error

Answer 2

364

Explanation:

12+1=13

13*4*7=364

As you would add the 12 and the 1 to make 13 and then you would do 13*4*7 which gives you 364