Alright, let's work through 20098448 times 98616678 step by step
20098448 × 98616678 = 98616678 × (20098448)
+ 98616678 × 8 which equals 788933424
+ 98616678 × 40 that equals 3944667120
+ 98616678 × 400 which equals 39446671200
+ 98616678 × 8000 that results in 788933424000
+ 98616678 × 90000 what gives us 8875501020000
+ 98616678 × 000000 yielding 0
+ 98616678 × 0000000 resulting in 0
+ 98616678 × 20000000 that results in 1972333560000000

= 1982042174715744
