What is the missing number. 802 , 786 , 744 , ?? , 674 , 650

Question

In each diagram, the numbers combine in the same way to make a valid equation. What number is missing?

Answer 1

802 - (8*2)=786
786 - (7*6)=744
744 - (7*4)=716
716 - (7*6)=674
674 - (6*4)=650

answer is 716