human
Yulia was able to net $44 in profit this week. Her lemonade stand made a gross revenue of $47 this week. She was also able to babysit and made $31. However, her lemonade stand is expensive to run because she needs to buy lemons, sugar, and sunscreen. How much did she spend to operate her lemonade stand, in dollars?
assistant
How much did Yulia make in total? ** Yulia's total gross revenue was $47 + $31 = $<<47+31=78>>78.
How much did Yulia spend to operate her lemonade stand? ** To calculate her overhead we must subtract her total profit from her gross revenue which is $78 - $44 = $<<78-44=34>>34.
#### 34