Alright, let's work through 74329564 times 87438537 step by step
74329564 × 87438537 = 87438537 × (74329564)
+ 87438537 × 4 which equals 349754148
+ 87438537 × 60 giving us 5246312220
+ 87438537 × 500 that equals 43719268500
+ 87438537 × 9000 that equals 786946833000
+ 87438537 × 20000 yielding 1748770740000
+ 87438537 × 300000 which equals 26231561100000
+ 87438537 × 4000000 what gives us 349754148000000
+ 87438537 × 70000000 resulting in 6120697590000000

= 6499268332007868
