Alright, let's work through 1778 times 7401 step by step
1778 × 7401 = 7401 × (1778)
+ 7401 × 8 yielding 59208
+ 7401 × 70 that is equal 518070
+ 7401 × 700 that equals 5180700
+ 7401 × 1000 that results in 7401000

= 13158978
