The results of a shuttlecock kicking match are as follows: 63, 72, 21, 58, 76, 65, what is the median of this group of data.
一次踢毽子比赛的成绩如下：63、72、21、58、76、65，这组数据的中位数是多少．
<gadget id="calculator">63 + 65</gadget>
<output>128</output>

<gadget id="calculator">128 / 2</gadget>
<output>64</output>

<result>64</result>