The average height of Xiaohong and Xiaoqing is 1.33m, and that of Xiaojun is 1.45m. What is the average height of the three in m?
小红、小清的平均身高是1.33m，小军的身高是1.45m，三个人的平均身高是多少m．
<gadget id="calculator">1.33 * 2</gadget>
<output>2.66</output>

<gadget id="calculator">2.66 + 1.45</gadget>
<output>4.11</output>

<gadget id="calculator">4.11 / 3</gadget>
<output>1.37</output>

<result>1.37</result>