Alright, let's work through 76324421 times 36381020 step by step
76324421 × 36381020 = 36381020 × (76324421)
+ 36381020 × 1 resulting in 36381020
+ 36381020 × 20 resulting in 727620400
+ 36381020 × 400 which equals 14552408000
+ 36381020 × 4000 that equals 145524080000
+ 36381020 × 20000 that equals 727620400000
+ 36381020 × 300000 resulting in 10914306000000
+ 36381020 × 6000000 yielding 218286120000000
+ 36381020 × 70000000 yielding 2546671400000000

= 2776760286889420
