Alright, let's work through 42115837 times 57362325 step by step
42115837 × 57362325 = 57362325 × (42115837)
+ 57362325 × 7 producing 401536275
+ 57362325 × 30 that is equal 1720869750
+ 57362325 × 800 giving us 45889860000
+ 57362325 × 5000 which equals 286811625000
+ 57362325 × 10000 giving us 573623250000
+ 57362325 × 100000 producing 5736232500000
+ 57362325 × 2000000 that is equal 114724650000000
+ 57362325 × 40000000 what gives us 2294493000000000

= 2415862329641025
