Alright, let's work through 55520380 times 53763396 step by step
55520380 × 53763396 = 53763396 × (55520380)
+ 53763396 × 0 which equals 0
+ 53763396 × 80 giving us 4301071680
+ 53763396 × 300 producing 16129018800
+ 53763396 × 0000 that is equal 0
+ 53763396 × 20000 that is equal 1075267920000
+ 53763396 × 500000 giving us 26881698000000
+ 53763396 × 5000000 what gives us 268816980000000
+ 53763396 × 50000000 yielding 2688169800000000

= 2984964176010480
