No problem, we've got 5286 and 823 to multiply
5286 × 823 = 823 × (5286)
+ 823 × 6 which equals 4938
+ 823 × 80 yielding 65840
+ 823 × 200 that results in 164600
+ 823 × 5000 that equals 4115000

= 4350378
