Alright, let's work through 99198228 times 60163876 step by step
99198228 × 60163876 = 60163876 × (99198228)
+ 60163876 × 8 that results in 481311008
+ 60163876 × 20 what gives us 1203277520
+ 60163876 × 200 that is equal 12032775200
+ 60163876 × 8000 yielding 481311008000
+ 60163876 × 90000 that is equal 5414748840000
+ 60163876 × 100000 what gives us 6016387600000
+ 60163876 × 9000000 yielding 541474884000000
+ 60163876 × 90000000 which equals 5414748840000000

= 5968149888811728
