Grandpa said to Xiaopang: 8 times your age this year minus 11 is my age last year. It is known that grandpa is 62 years old this year. How old is Xiaopang this year?
爷爷对小胖说：你今年的年龄的8倍再减去11，就是我去年的年龄，已知爷爷今年的年龄是62岁，小胖今年多少岁．
<gadget id="calculator">62 - 1</gadget>
<output>61</output>

<gadget id="calculator">61 + 11</gadget>
<output>72</output>

<gadget id="calculator">72 / 8</gadget>
<output>9</output>

<result>9</result>