Alright, let's work through 1913 times 9623 step by step
1913 × 9623 = 9623 × (1913)
+ 9623 × 3 that is equal 28869
+ 9623 × 10 what gives us 96230
+ 9623 × 900 what gives us 8660700
+ 9623 × 1000 yielding 9623000

= 18408799
