Alright, let's work through 49817848 times 88891393 step by step
49817848 × 88891393 = 88891393 × (49817848)
+ 88891393 × 8 what gives us 711131144
+ 88891393 × 40 that results in 3555655720
+ 88891393 × 800 giving us 71113114400
+ 88891393 × 7000 giving us 622239751000
+ 88891393 × 10000 what gives us 888913930000
+ 88891393 × 800000 which equals 71113114400000
+ 88891393 × 9000000 that equals 800022537000000
+ 88891393 × 40000000 that equals 3555655720000000

= 4428377904982264
