Alright, let's work through 42803700 times 87732048 step by step
42803700 × 87732048 = 87732048 × (42803700)
+ 87732048 × 0 producing 0
+ 87732048 × 00 that is equal 0
+ 87732048 × 700 that is equal 61412433600
+ 87732048 × 3000 producing 263196144000
+ 87732048 × 00000 producing 0
+ 87732048 × 800000 which equals 70185638400000
+ 87732048 × 2000000 that results in 175464096000000
+ 87732048 × 40000000 resulting in 3509281920000000

= 3755256262977600
