No problem, we've got 9815 and 5235 to multiply
9815 × 5235 = 5235 × (9815)
+ 5235 × 5 that equals 26175
+ 5235 × 10 what gives us 52350
+ 5235 × 800 yielding 4188000
+ 5235 × 9000 giving us 47115000

= 51381525
