No problem, we've got 6641 and 4158 to multiply
6641 × 4158 = 4158 × (6641)
+ 4158 × 1 that results in 4158
+ 4158 × 40 that equals 166320
+ 4158 × 600 what gives us 2494800
+ 4158 × 6000 resulting in 24948000

= 27613278
