Alright, let's work through 48115651 times 21105647 step by step
48115651 × 21105647 = 21105647 × (48115651)
+ 21105647 × 1 producing 21105647
+ 21105647 × 50 that results in 1055282350
+ 21105647 × 600 yielding 12663388200
+ 21105647 × 5000 yielding 105528235000
+ 21105647 × 10000 yielding 211056470000
+ 21105647 × 100000 which equals 2110564700000
+ 21105647 × 8000000 that results in 168845176000000
+ 21105647 × 40000000 which equals 844225880000000

= 1015511945181197
