The average height of Xiaohong and Xiaoqing is 103 cm, and that of Xiao Jun is 115 cm. What is the average height of the three in cm?
小红、小青的平均身高是103厘米，小军的身高是115厘米，三个人的平均身高是多少厘米？
<gadget id="calculator">103 * 2</gadget>
<output>206</output>

<gadget id="calculator">206 + 115</gadget>
<output>321</output>

<gadget id="calculator">321 / 3</gadget>
<output>107</output>

<result>107</result>