Four people weighed, and each group of two weighed 38, 43, 45, 46, 48, 53kg respectively. What is the average weight of these four people in kg?
四个人称体重，每两人一组分别称得是38、43、45、46、48、53kg．这四个人的平均体重是多少kg．
<gadget id="calculator">38 + 43 + 45 + 46 + 48 + 53</gadget>
<output>273</output>

<gadget id="calculator">273 / 3 / 4</gadget>
<output>91/4 = around 22.75</output>

<result>91/4 = around 22.75</result>