Alright, let's work through 4156 times 6520 step by step
4156 × 6520 = 6520 × (4156)
+ 6520 × 6 that equals 39120
+ 6520 × 50 that results in 326000
+ 6520 × 100 what gives us 652000
+ 6520 × 4000 that is equal 26080000

= 27097120
