Alright, let's work through 55077240 times 28197021 step by step
55077240 × 28197021 = 28197021 × (55077240)
+ 28197021 × 0 producing 0
+ 28197021 × 40 that equals 1127880840
+ 28197021 × 200 that is equal 5639404200
+ 28197021 × 7000 producing 197379147000
+ 28197021 × 70000 what gives us 1973791470000
+ 28197021 × 000000 giving us 0
+ 28197021 × 5000000 producing 140985105000000
+ 28197021 × 50000000 that equals 1409851050000000

= 1553014092902040
