Alright, let's work through 21974429 times 89371357 step by step
21974429 × 89371357 = 89371357 × (21974429)
+ 89371357 × 9 resulting in 804342213
+ 89371357 × 20 that results in 1787427140
+ 89371357 × 400 that equals 35748542800
+ 89371357 × 4000 resulting in 357485428000
+ 89371357 × 70000 that equals 6255994990000
+ 89371357 × 900000 resulting in 80434221300000
+ 89371357 × 1000000 that results in 89371357000000
+ 89371357 × 20000000 producing 1787427140000000

= 1963884539030153
