No problem, we've got 9805 and 525 to multiply
9805 × 525 = 525 × (9805)
+ 525 × 5 what gives us 2625
+ 525 × 00 that results in 0
+ 525 × 800 resulting in 420000
+ 525 × 9000 yielding 4725000

= 5147625
