We're going to solve 5102 multiplied by 4131
5102 × 4131 = 4131 × (5102)
+ 4131 × 2 giving us 8262
+ 4131 × 00 what gives us 0
+ 4131 × 100 that is equal 413100
+ 4131 × 5000 that is equal 20655000

= 21076362
