Alright, let's work through 49149963 times 89998789 step by step
49149963 × 89998789 = 89998789 × (49149963)
+ 89998789 × 3 what gives us 269996367
+ 89998789 × 60 that equals 5399927340
+ 89998789 × 900 that results in 80998910100
+ 89998789 × 9000 yielding 809989101000
+ 89998789 × 40000 what gives us 3599951560000
+ 89998789 × 100000 that equals 8999878900000
+ 89998789 × 9000000 producing 809989101000000
+ 89998789 × 40000000 that results in 3599951560000000

= 4423437149394807
