Alright, let's work through 48814142 times 81400065 step by step
48814142 × 81400065 = 81400065 × (48814142)
+ 81400065 × 2 which equals 162800130
+ 81400065 × 40 what gives us 3256002600
+ 81400065 × 100 that results in 8140006500
+ 81400065 × 4000 resulting in 325600260000
+ 81400065 × 10000 that results in 814000650000
+ 81400065 × 800000 giving us 65120052000000
+ 81400065 × 8000000 what gives us 651200520000000
+ 81400065 × 40000000 that equals 3256002600000000

= 3973474331719230
