Five years ago, my grandfather was seven times as old as Xiao Ming, and Xiao Ming is 14 years old this year. How old is grandpa?
五年前爷爷年龄是小明的7倍，小明今年14岁．爷爷今年多少岁？
<gadget id="calculator">14 - 5</gadget>
<output>9</output>

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

<gadget id="calculator">63 + 5</gadget>
<output>68</output>

<result>68</result>