Mom brings 500 yuan to the mall, buys a top for 218 yuan, and buys a skirt for 232 yuan. How much should the mall get back for mom?
妈妈带了500元去商场，买了一件上衣用去218元，买了一件裙子用去232元，商场应找回妈妈多少元？
<gadget id="calculator">218 + 232</gadget>
<output>450</output>

<gadget id="calculator">500 - 450</gadget>
<output>50</output>

<result>50</result>