Alright, let's work through 2954 times 7830 step by step
2954 × 7830 = 7830 × (2954)
+ 7830 × 4 yielding 31320
+ 7830 × 50 that is equal 391500
+ 7830 × 900 resulting in 7047000
+ 7830 × 2000 that is equal 15660000

= 23129820
