Alright, let's work through 78157389 times 96248124 step by step
78157389 × 96248124 = 96248124 × (78157389)
+ 96248124 × 9 that results in 866233116
+ 96248124 × 80 yielding 7699849920
+ 96248124 × 300 yielding 28874437200
+ 96248124 × 7000 yielding 673736868000
+ 96248124 × 50000 that is equal 4812406200000
+ 96248124 × 100000 which equals 9624812400000
+ 96248124 × 8000000 what gives us 769984992000000
+ 96248124 × 70000000 resulting in 6737368680000000

= 7522502067988236
