We're going to solve 7781 multiplied by 4131
7781 × 4131 = 4131 × (7781)
+ 4131 × 1 that equals 4131
+ 4131 × 80 what gives us 330480
+ 4131 × 700 that equals 2891700
+ 4131 × 7000 what gives us 28917000

= 32143311
