No problem, we've got 2161 and 9750 to multiply
2161 × 9750 = 9750 × (2161)
+ 9750 × 1 which equals 9750
+ 9750 × 60 that equals 585000
+ 9750 × 100 which equals 975000
+ 9750 × 2000 that results in 19500000

= 21069750
