Alright, let's work through 21196671 times 37823260 step by step
21196671 × 37823260 = 37823260 × (21196671)
+ 37823260 × 1 that results in 37823260
+ 37823260 × 70 that is equal 2647628200
+ 37823260 × 600 yielding 22693956000
+ 37823260 × 6000 which equals 226939560000
+ 37823260 × 90000 that is equal 3404093400000
+ 37823260 × 100000 giving us 3782326000000
+ 37823260 × 1000000 that equals 37823260000000
+ 37823260 × 20000000 yielding 756465200000000

= 801727198367460
