Multiply the daughter's age by 5 and subtract 9 years old, it is the same as the father's age. Dad is 36 years old this year, how old is the daughter this year?
女儿的年龄乘5，再减去9岁，就和爸爸的年龄一样，爸爸今年36岁，女儿今年多少岁？
<gadget id="calculator">36 + 9</gadget>
<output>45</output>

<gadget id="calculator">45 / 5</gadget>
<output>9</output>

<result>9</result>