Alexa and Emily open up a lemonade stand in the front yard. They spent $10 for lemons, $5 for sugar and $3 for cups.  The lemonade is $4 a cup.  They sell a total of 21 cups.  How much profit did Alexa and Emily make after paying off expenses?
Алекса ва Эмили дар ҳавлӣ як дӯкони лимонад мекушоянд. Онҳо барои лимонҳо 10 доллар, барои шакар 5 доллар ва барои пиёлаҳо 3 доллар сарф карданд. Лимонад 4 доллар барои як пиёла аст. Онҳо дар маҷмӯъ 21 пиёла мефурӯшанд. Алекса ва Эмили пас аз пардохти хароҷот чанд фоида ба даст оварданд?
How much money did Alexa and Emily spend? ** Alexa and Emily spend a total of $10 + $5 + $3 = $<<10+5+3=18>>18.
How much money did Alexa and Emily make? ** They make a total of $4 x 21 = $<<4*21=84>>84.
How much profit did Alexa and Emily make? ** They make a profit of $84 - $18 = $<<84-18=66>>66.
#### 66
How much money did Alexa and Emily spend? ** Alexa ва Эмили дар маҷмӯъ $10 + $5 + $3 = $<<10+5+3=18>>18 сарф карданд.  
How much money did Alexa and Emily make? ** Онҳо дар маҷмӯъ $4 x 21 = $<<4*21=84>>84 ба даст оварданд.  
How much profit did Alexa and Emily make? ** Онҳо фоидае ба маблағи $84 - $18 = $<<84-18=66>>66 ба даст оварданд.  
#### 66