Alright, let's work through 54540215 times 37873912 step by step
54540215 × 37873912 = 37873912 × (54540215)
+ 37873912 × 5 that results in 189369560
+ 37873912 × 10 that results in 378739120
+ 37873912 × 200 producing 7574782400
+ 37873912 × 0000 giving us 0
+ 37873912 × 40000 that equals 1514956480000
+ 37873912 × 500000 what gives us 18936956000000
+ 37873912 × 4000000 that results in 151495648000000
+ 37873912 × 50000000 resulting in 1893695600000000

= 2065651303371080
