We're going to solve 1641 multiplied by 1776
1641 × 1776 = 1776 × (1641)
+ 1776 × 1 which equals 1776
+ 1776 × 40 that equals 71040
+ 1776 × 600 what gives us 1065600
+ 1776 × 1000 yielding 1776000

= 2914416
