We're going to solve 3994 multiplied by 5178
3994 × 5178 = 5178 × (3994)
+ 5178 × 4 that equals 20712
+ 5178 × 90 yielding 466020
+ 5178 × 900 that results in 4660200
+ 5178 × 3000 giving us 15534000

= 20680932
