Alright, let's work through 90450258 times 56847141 step by step
90450258 × 56847141 = 56847141 × (90450258)
+ 56847141 × 8 that is equal 454777128
+ 56847141 × 50 what gives us 2842357050
+ 56847141 × 200 yielding 11369428200
+ 56847141 × 0000 that results in 0
+ 56847141 × 50000 producing 2842357050000
+ 56847141 × 400000 yielding 22738856400000
+ 56847141 × 0000000 yielding 0
+ 56847141 × 90000000 that equals 5116242690000000

= 5141838570012378
