No problem, we've got 2535 and 8147 to multiply
2535 × 8147 = 8147 × (2535)
+ 8147 × 5 yielding 40735
+ 8147 × 30 that equals 244410
+ 8147 × 500 which equals 4073500
+ 8147 × 2000 what gives us 16294000

= 20652645
