Alright, let's work through 3550 times 4138 step by step
3550 × 4138 = 4138 × (3550)
+ 4138 × 0 giving us 0
+ 4138 × 50 yielding 206900
+ 4138 × 500 that equals 2069000
+ 4138 × 3000 giving us 12414000

= 14689900
