Xiao Ming is 10 years old this year, and his grandpa is 6 times older than him, 4 years old. How old is grandpa this year?
小明今年10岁，爷爷的年龄是他的6倍多4岁，爷爷今年几岁？
<gadget id="calculator">10 * 6</gadget>
<output>60</output>

<gadget id="calculator">60 + 4</gadget>
<output>64</output>

<result>64</result>