Alright, let's work through 4142 times 5195 step by step
4142 × 5195 = 5195 × (4142)
+ 5195 × 2 what gives us 10390
+ 5195 × 40 yielding 207800
+ 5195 × 100 giving us 519500
+ 5195 × 4000 what gives us 20780000

= 21517690
