Mirasol had $50 in her account. She spent $10 on coffee beans and $30 on a tumbler. How much is left in her account?
Mirasol spent a total of $30 + $10 = $
<gadget id="calculator">30+10</gadget>
<output>40</output>
40.
Thus, Mirasol has $50 - $40 = $
<gadget id="calculator">50-40</gadget>
<output>10</output>
10 left in her account.

<result>10</result>