Xiaohong is 8 years old this year, and grandpa is 64 years old this year. Last year, how many times was Xiaohong's age grandpa's?
小红今年8岁，爷爷今年64岁．去年爷爷的年龄是小红的多少倍？
<gadget id="calculator">64 - 1</gadget>
<output>63</output>

<gadget id="calculator">8 - 1</gadget>
<output>7</output>

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

<result>9</result>