Xiao Ming is 13 years old this year, and his grandfather is 4 years older than 5 times Xiao Ming's age. How old is grandpa this year?
小明今年13岁，爷爷的年龄比小明的5倍多4岁，爷爷今年多少岁？
<gadget id="calculator">13 * 5</gadget>
<output>65</output>

<gadget id="calculator">65 + 4</gadget>
<output>69</output>

<result>69</result>