Xiaowen is 11 years old this year, and his grandfather is five times older than him, 8 years old. How old is he next year?
小文今年11岁，爷爷的年龄比他的5倍多8岁，爷爷明年多少岁？
<gadget id="calculator">5 * 11</gadget>
<output>55</output>

<gadget id="calculator">55 + 8 + 1</gadget>
<output>64</output>

<result>64</result>