Alright, let's work through 79974617 times 45202378 step by step
79974617 × 45202378 = 45202378 × (79974617)
+ 45202378 × 7 producing 316416646
+ 45202378 × 10 what gives us 452023780
+ 45202378 × 600 yielding 27121426800
+ 45202378 × 4000 which equals 180809512000
+ 45202378 × 70000 that is equal 3164166460000
+ 45202378 × 900000 what gives us 40682140200000
+ 45202378 × 9000000 giving us 406821402000000
+ 45202378 × 70000000 that equals 3164166460000000

= 3615042868039226
