Alright, let's work through 42590721 times 99682482 step by step
42590721 × 99682482 = 99682482 × (42590721)
+ 99682482 × 1 resulting in 99682482
+ 99682482 × 20 that results in 1993649640
+ 99682482 × 700 producing 69777737400
+ 99682482 × 0000 that is equal 0
+ 99682482 × 90000 which equals 8971423380000
+ 99682482 × 500000 that is equal 49841241000000
+ 99682482 × 2000000 that results in 199364964000000
+ 99682482 × 40000000 that results in 3987299280000000

= 4245548779449522
