Xiao Ming is 8 years old this year. Xiao Ming's age is equivalent to (1/9) of his grandpa's age. How old is grandpa this year?
小明今年8岁，小明的年龄相当于爷爷的年龄的(1/9)，爷爷今年有多少岁？
<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">8 / (1/9)</gadget>
<output>72</output>

<result>72</result>