No problem, we've got 2684 and 3600 to multiply
2684 × 3600 = 3600 × (2684)
+ 3600 × 4 which equals 14400
+ 3600 × 80 yielding 288000
+ 3600 × 600 giving us 2160000
+ 3600 × 2000 which equals 7200000

= 9662400
