We're going to solve 7636 multiplied by 520
7636 × 520 = 520 × (7636)
+ 520 × 6 that results in 3120
+ 520 × 30 that is equal 15600
+ 520 × 600 what gives us 312000
+ 520 × 7000 yielding 3640000

= 3970720
