Alright, let's work through 64177470 times 54089948 step by step
64177470 × 54089948 = 54089948 × (64177470)
+ 54089948 × 0 that results in 0
+ 54089948 × 70 yielding 3786296360
+ 54089948 × 400 that results in 21635979200
+ 54089948 × 7000 resulting in 378629636000
+ 54089948 × 70000 yielding 3786296360000
+ 54089948 × 100000 giving us 5408994800000
+ 54089948 × 4000000 which equals 216359792000000
+ 54089948 × 60000000 yielding 3245396880000000

= 3471356015071560
