No problem, we've got 8553 and 7800 to multiply
8553 × 7800 = 7800 × (8553)
+ 7800 × 3 that equals 23400
+ 7800 × 50 what gives us 390000
+ 7800 × 500 that equals 3900000
+ 7800 × 8000 giving us 62400000

= 66713400
