The age of the father is 27 years older than the daughter, which is exactly 4 times the age of the daughter. How old is your daughter?
父亲的年龄比女儿大27岁，恰好是女儿年龄的4倍．女儿今年多少岁？
<gadget id="calculator">4 - 1</gadget>
<output>3</output>

<gadget id="calculator">27 / 3</gadget>
<output>9</output>

<result>9</result>