Alright, let's work through 70070519 times 64371276 step by step
70070519 × 64371276 = 64371276 × (70070519)
+ 64371276 × 9 yielding 579341484
+ 64371276 × 10 yielding 643712760
+ 64371276 × 500 that results in 32185638000
+ 64371276 × 0000 that results in 0
+ 64371276 × 70000 what gives us 4505989320000
+ 64371276 × 000000 that is equal 0
+ 64371276 × 0000000 giving us 0
+ 64371276 × 70000000 giving us 4505989320000000

= 4510528718012244
