The blood in the adult body is (1/13) of the body weight, and the blood contains about (12/25) of water. Uncle Li weighs 65 kilograms, how many kilograms of water does his blood contain?
成人体内血液是体重的(1/13)，血液中约含有(12/25)的水．李叔叔的体重是65千克，他的血液中约含有多少千克水．
<gadget id="calculator">1 / 13</gadget>
<output>1/13 = around 0.076923</output>

<gadget id="calculator">12 / 25</gadget>
<output>12/25 = around 0.48</output>

<gadget id="calculator">65 * (1/13) * (12/25)</gadget>
<output>12/5 = around 2.4</output>

<result>12/5 = around 2.4</result>