According to the measurement, the water in the child's body accounts for about 4/5 of the body weight, and Xiao Ming has about 28 kg of water in his body, so how much is Xiao Ming's weight in kilograms?
根据测定，儿童体内的水分约占体重的(4/5)，小明体内约有28千克的水分，那么小明的体重为多少千克．
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">28 / (4/5)</gadget>
<output>35</output>

<result>35</result>