No problem, we've got 2158 and 6408 to multiply
2158 × 6408 = 6408 × (2158)
+ 6408 × 8 that equals 51264
+ 6408 × 50 that is equal 320400
+ 6408 × 100 that equals 640800
+ 6408 × 2000 what gives us 12816000

= 13828464
