Alright, let's work through 30721774 times 75137479 step by step
30721774 × 75137479 = 75137479 × (30721774)
+ 75137479 × 4 that equals 300549916
+ 75137479 × 70 resulting in 5259623530
+ 75137479 × 700 producing 52596235300
+ 75137479 × 1000 which equals 75137479000
+ 75137479 × 20000 what gives us 1502749580000
+ 75137479 × 700000 producing 52596235300000
+ 75137479 × 0000000 producing 0
+ 75137479 × 30000000 which equals 2254124370000000

= 2308356648767746
