The blood of the human body accounts for about 8% of the body weight, and about 2/3 of the blood is water. Uncle Li’s weight is 78 kg. How many kg of water does his blood contain?
人体的血液约占体重的8%，血液里约(2/3)是水，李叔叔的体重是78千克，他的血液大约含水多少千克？
<gadget id="calculator">8 / 100</gadget>
<output>2/25 = around 0.08</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">78 * (2/25) * (2/5)</gadget>
<output>312/125 = around 2.496</output>

<result>312/125 = around 2.496</result>