Alright, let's work through 74036661 times 15260921 step by step
74036661 × 15260921 = 15260921 × (74036661)
+ 15260921 × 1 producing 15260921
+ 15260921 × 60 what gives us 915655260
+ 15260921 × 600 producing 9156552600
+ 15260921 × 6000 resulting in 91565526000
+ 15260921 × 30000 yielding 457827630000
+ 15260921 × 000000 that results in 0
+ 15260921 × 4000000 producing 61043684000000
+ 15260921 × 70000000 what gives us 1068264470000000

= 1129867634624781
