Alright, let's work through 2258 times 7378 step by step
2258 × 7378 = 7378 × (2258)
+ 7378 × 8 yielding 59024
+ 7378 × 50 that is equal 368900
+ 7378 × 200 resulting in 1475600
+ 7378 × 2000 yielding 14756000

= 16659524
