No problem, we've got 6544 and 2436 to multiply
6544 × 2436 = 2436 × (6544)
+ 2436 × 4 what gives us 9744
+ 2436 × 40 that equals 97440
+ 2436 × 500 resulting in 1218000
+ 2436 × 6000 what gives us 14616000

= 15941184
