If Xiao Ming's weight "45 kg" is recorded as "0 kg", then Xiao Hua's weight can be recorded as "+4 kg", Xiao Li's weight can be recorded as "-3 kg", and Xiao Hong's weight can be recorded as " -6 kg", Xiaogang's weight can be recorded as "-5 kg", so what is the average weight of these five children in kilograms?
如果小明的体重"45千克"记为"0千克"，那么小华的体重可记为"+4千克"，小丽的体重可记为"-3千克"，小红的体重可记为"-6千克"，小刚的体重可记为"-5千克"，那么这五位小朋友的平均体重是多少千克？
<gadget id="calculator">45 + 4</gadget>
<output>49</output>

<gadget id="calculator">45 - 3</gadget>
<output>42</output>

<gadget id="calculator">45 - 6</gadget>
<output>39</output>

<gadget id="calculator">45 - 5</gadget>
<output>40</output>

<gadget id="calculator">45 + 49 + 42 + 39 + 40</gadget>
<output>215</output>

<gadget id="calculator">215 / 5</gadget>
<output>43</output>

<result>43</result>