We're going to solve 5129 multiplied by 3681
5129 × 3681 = 3681 × (5129)
+ 3681 × 9 that is equal 33129
+ 3681 × 20 that is equal 73620
+ 3681 × 100 that results in 368100
+ 3681 × 5000 what gives us 18405000

= 18879849
