Alright, let's work through 2656 times 7970 step by step
2656 × 7970 = 7970 × (2656)
+ 7970 × 6 that equals 47820
+ 7970 × 50 yielding 398500
+ 7970 × 600 which equals 4782000
+ 7970 × 2000 which equals 15940000

= 21168320
