We're going to solve 1870 multiplied by 9970
1870 × 9970 = 9970 × (1870)
+ 9970 × 0 what gives us 0
+ 9970 × 70 resulting in 697900
+ 9970 × 800 what gives us 7976000
+ 9970 × 1000 that results in 9970000

= 18643900
