 
 <prompt> Alexa and Emily open lemonade stand for front yard. Dem spend $10 for lemons, $5 for sugar and $3 for cups. The lemonade na $4 per cup. Dem sell total of 21 cups. How much profit Alexa and Emily make after dem don pay expenses? <response>: ```Alexa and Emily spend a total of $10 + $5 + $3 = $18.
Dem make a total of $4 x 21 = $84.
Dem make profit of $84 - $18 = $66.

The answer go be 66.``` 