No problem, we've got 5242 and 3878 to multiply
5242 × 3878 = 3878 × (5242)
+ 3878 × 2 that equals 7756
+ 3878 × 40 what gives us 155120
+ 3878 × 200 producing 775600
+ 3878 × 5000 that is equal 19390000

= 20328476
