Roberta takes $158 with her on a shopping trip to the mall. She spends $45 on new shoes, $17 less on a new bag, and a quarter of the price of the bag for lunch. How much money does she have left after these purchases?
Roberta's bag costs $45 - $17 = $
<gadget id="calculator">45-17</gadget>
<output>28</output>
28.
Roberta spend $28 / 4 = $
<gadget id="calculator">28/4</gadget>
<output>7</output>
7 on lunch.
Roberta spend 45 + 28 + 7 = 
<gadget id="calculator">45+28+7</gadget>
<output>80</output>
80 in total.
Roberta has $158 - 80 = $
<gadget id="calculator">158-80</gadget>
<output>78</output>
78 left.

<result>78</result>