The son is 10 years old this year, and the mother's age was 6 times his age 5 years ago, how old is the mother this year?
儿子今年10岁，5年前母亲的年龄是他的6倍，母亲今年多少岁？
<gadget id="calculator">10 - 5</gadget>
<output>5</output>

<gadget id="calculator">5 * 6</gadget>
<output>30</output>

<gadget id="calculator">30 + 5</gadget>
<output>35</output>

<result>35</result>