We're going to solve 42185261 multiplied by 1989442
42185261 × 1989442 = 1989442 × (42185261)
+ 1989442 × 1 yielding 1989442
+ 1989442 × 60 that results in 119366520
+ 1989442 × 200 yielding 397888400
+ 1989442 × 5000 giving us 9947210000
+ 1989442 × 80000 resulting in 159155360000
+ 1989442 × 100000 resulting in 198944200000
+ 1989442 × 2000000 that equals 3978884000000
+ 1989442 × 40000000 yielding 79577680000000

= 83925130014362
