Alright, let's work through 63552742 times 42087100 step by step
63552742 × 42087100 = 42087100 × (63552742)
+ 42087100 × 2 that is equal 84174200
+ 42087100 × 40 yielding 1683484000
+ 42087100 × 700 yielding 29460970000
+ 42087100 × 2000 giving us 84174200000
+ 42087100 × 50000 producing 2104355000000
+ 42087100 × 500000 producing 21043550000000
+ 42087100 × 3000000 yielding 126261300000000
+ 42087100 × 60000000 that results in 2525226000000000

= 2674750607828200
