We're going to solve 1820 multiplied by 5407
1820 × 5407 = 5407 × (1820)
+ 5407 × 0 yielding 0
+ 5407 × 20 that results in 108140
+ 5407 × 800 which equals 4325600
+ 5407 × 1000 which equals 5407000

= 9840740
