Alright, let's work through 2154 times 6020 step by step
2154 × 6020 = 6020 × (2154)
+ 6020 × 4 that equals 24080
+ 6020 × 50 that results in 301000
+ 6020 × 100 that results in 602000
+ 6020 × 2000 which equals 12040000

= 12967080
