Grandpa is 63 years older than Xiaohong, and his age this year is exactly 8 times that of Xiaohong. How old is Xiaohong this year?
爷爷比小红大63岁，爷爷今年的岁数正好是小红的8倍．小红今年多少岁．
<gadget id="calculator">8 - 1</gadget>
<output>7</output>

<gadget id="calculator">63 / 7</gadget>
<output>9</output>

<result>9</result>