No problem, we've got 6186 and 6455 to multiply
6186 × 6455 = 6455 × (6186)
+ 6455 × 6 that equals 38730
+ 6455 × 80 which equals 516400
+ 6455 × 100 that equals 645500
+ 6455 × 6000 resulting in 38730000

= 39930630
