We're going to solve 7870 multiplied by 5680
7870 × 5680 = 5680 × (7870)
+ 5680 × 0 what gives us 0
+ 5680 × 70 yielding 397600
+ 5680 × 800 giving us 4544000
+ 5680 × 7000 yielding 39760000

= 44701600
