 
 <prompt> ```
One shop dey sell laptops for $600 each and smartphone for $400. Celine buy two laptops and four smartphones for her children. How much change she go get if she get $3000?``` <response>: ```The cost of the two laptops na 2 x $600 = $1200.
The cost of the four smartphones na 4 x $400 = $1600.
So, the total cost of all the items na $1200 + $1600 = $2800.
So, Celine go get change of $3000 - $2800 = $200.

The answer go be 200.``` 