We're going to solve 3644 multiplied by 7001
3644 × 7001 = 7001 × (3644)
+ 7001 × 4 which equals 28004
+ 7001 × 40 that is equal 280040
+ 7001 × 600 what gives us 4200600
+ 7001 × 3000 yielding 21003000

= 25511644
