Alright, let's work through 54074987 times 4478708 step by step
54074987 × 4478708 = 4478708 × (54074987)
+ 4478708 × 7 that equals 31350956
+ 4478708 × 80 yielding 358296640
+ 4478708 × 900 what gives us 4030837200
+ 4478708 × 4000 that is equal 17914832000
+ 4478708 × 70000 giving us 313509560000
+ 4478708 × 000000 which equals 0
+ 4478708 × 4000000 resulting in 17914832000000
+ 4478708 × 50000000 that results in 223935400000000

= 242186076876796
