We're going to solve 42121263 multiplied by 78024502
42121263 × 78024502 = 78024502 × (42121263)
+ 78024502 × 3 which equals 234073506
+ 78024502 × 60 what gives us 4681470120
+ 78024502 × 200 that equals 15604900400
+ 78024502 × 1000 resulting in 78024502000
+ 78024502 × 20000 that results in 1560490040000
+ 78024502 × 100000 what gives us 7802450200000
+ 78024502 × 2000000 producing 156049004000000
+ 78024502 × 40000000 that equals 3120980080000000

= 3286490569186026
