The water content in a child's body is about 78% of his body weight. Xiao Hua's weight is 35 kg. How many kilograms is the water content in his body?
儿童体内水分含量约是体重的78%，小华的体重是35千克，他体内的水分含量大约是多少千克？
<gadget id="calculator">78 / 100</gadget>
<output>39/50 = around 0.78</output>

<gadget id="calculator">35 * (39/50)</gadget>
<output>273/10 = around 27.3</output>

<result>273/10 = around 27.3</result>