Alright, let's work through 52489025 times 1987515 step by step
52489025 × 1987515 = 1987515 × (52489025)
+ 1987515 × 5 which equals 9937575
+ 1987515 × 20 producing 39750300
+ 1987515 × 000 what gives us 0
+ 1987515 × 9000 which equals 17887635000
+ 1987515 × 80000 that results in 159001200000
+ 1987515 × 400000 yielding 795006000000
+ 1987515 × 2000000 yielding 3975030000000
+ 1987515 × 50000000 yielding 99375750000000

= 104322724522875
