Alright, let's work through 55309155 times 15343441 step by step
55309155 × 15343441 = 15343441 × (55309155)
+ 15343441 × 5 that results in 76717205
+ 15343441 × 50 resulting in 767172050
+ 15343441 × 100 producing 1534344100
+ 15343441 × 9000 yielding 138090969000
+ 15343441 × 00000 which equals 0
+ 15343441 × 300000 yielding 4603032300000
+ 15343441 × 5000000 which equals 76717205000000
+ 15343441 × 50000000 what gives us 767172050000000

= 848632756502355
