Alright, let's work through 75368723 times 6677563 step by step
75368723 × 6677563 = 6677563 × (75368723)
+ 6677563 × 3 which equals 20032689
+ 6677563 × 20 resulting in 133551260
+ 6677563 × 700 which equals 4674294100
+ 6677563 × 8000 resulting in 53420504000
+ 6677563 × 60000 which equals 400653780000
+ 6677563 × 300000 what gives us 2003268900000
+ 6677563 × 5000000 resulting in 33387815000000
+ 6677563 × 70000000 which equals 467429410000000

= 503279396062049
