Alright, let's work through 63384470 times 70045749 step by step
63384470 × 70045749 = 70045749 × (63384470)
+ 70045749 × 0 producing 0
+ 70045749 × 70 that results in 4903202430
+ 70045749 × 400 what gives us 28018299600
+ 70045749 × 4000 that results in 280182996000
+ 70045749 × 80000 giving us 5603659920000
+ 70045749 × 300000 that results in 21013724700000
+ 70045749 × 3000000 what gives us 210137247000000
+ 70045749 × 60000000 resulting in 4202744940000000

= 4439812676118030
