We're going to solve 3978 multiplied by 8780
3978 × 8780 = 8780 × (3978)
+ 8780 × 8 what gives us 70240
+ 8780 × 70 that results in 614600
+ 8780 × 900 yielding 7902000
+ 8780 × 3000 which equals 26340000

= 34926840
