Alright, let's work through 2058 times 6408 step by step
2058 × 6408 = 6408 × (2058)
+ 6408 × 8 that results in 51264
+ 6408 × 50 what gives us 320400
+ 6408 × 000 that is equal 0
+ 6408 × 2000 that is equal 12816000

= 13187664
