We're going to solve 1630 multiplied by 4079
1630 × 4079 = 4079 × (1630)
+ 4079 × 0 which equals 0
+ 4079 × 30 yielding 122370
+ 4079 × 600 which equals 2447400
+ 4079 × 1000 giving us 4079000

= 6648770
