The weights of Xiaoqiang, Xiaoli, and Xiaoyong are 43kg, 38kg, and 45kg respectively. What is the average weight of the three of them in kilograms?
小强、小丽、小勇的体重作别是43千克、38千克、45千克，他们三人的平均体重是多少千克．
<gadget id="calculator">38 + 45 + 43</gadget>
<output>126</output>

<gadget id="calculator">126 / 3</gadget>
<output>42</output>

<result>42</result>