We're going to solve 3945 multiplied by 9270
3945 × 9270 = 9270 × (3945)
+ 9270 × 5 producing 46350
+ 9270 × 40 producing 370800
+ 9270 × 900 giving us 8343000
+ 9270 × 3000 yielding 27810000

= 36570150
