Find the missing number from the following given options:

In the 1st diagram, we can see that (7 + 4) × 4 = 44

In the 2^nd  diagram, we can see that (6 + 3) × 4 = 36

So in the 3^rd diagram, answer should be (9 + 7) × 4 = 64. Hence 1^st option.