No problem, we've got 1989 and 5238 to multiply
1989 × 5238 = 5238 × (1989)
+ 5238 × 9 which equals 47142
+ 5238 × 80 that equals 419040
+ 5238 × 900 that is equal 4714200
+ 5238 × 1000 that equals 5238000

= 10418382
