Naughty is 11 years old this year, and his grandfather is 6 times his age and 8 years old. How old is grandpa?
淘气今年11岁，爷爷的年龄是他的6倍多8岁．爷爷今年几岁？
<gadget id="calculator">11 * 6</gadget>
<output>66</output>

<gadget id="calculator">66 + 8</gadget>
<output>74</output>

<result>74</result>