Let's calculate 42480884 x 89873245
42480884 × 89873245 = 89873245 × (42480884)
+ 89873245 × 4 giving us 359492980
+ 89873245 × 80 yielding 7189859600
+ 89873245 × 800 giving us 71898596000
+ 89873245 × 0000 giving us 0
+ 89873245 × 80000 which equals 7189859600000
+ 89873245 × 400000 yielding 35949298000000
+ 89873245 × 2000000 that equals 179746490000000
+ 89873245 × 40000000 which equals 3594929800000000

= 3817894895548580
