Alright, let's work through 42524394 times 82623122 step by step
42524394 × 82623122 = 82623122 × (42524394)
+ 82623122 × 4 what gives us 330492488
+ 82623122 × 90 that is equal 7436080980
+ 82623122 × 300 giving us 24786936600
+ 82623122 × 4000 what gives us 330492488000
+ 82623122 × 20000 giving us 1652462440000
+ 82623122 × 500000 which equals 41311561000000
+ 82623122 × 2000000 producing 165246244000000
+ 82623122 × 40000000 giving us 3304924880000000

= 3513498193438068
