In the human body, blood accounts for about (1/13) of body weight, and blood contains (12/52) water. Knowing that Dong weighs 52 kilograms, how many kilograms of water does his blood contain?
在人体中，血液约占体重的(1/13)，血液里含有(12/52)的水．已知晓东体重为52千克，则他的血液了含水约多少千克？
<gadget id="calculator">1 / 13</gadget>
<output>1/13 = around 0.076923</output>

<gadget id="calculator">12 / 52</gadget>
<output>3/13 = around 0.230769</output>

<gadget id="calculator">52 * (1/13) * (3/13)</gadget>
<output>12/13 = around 0.923077</output>

<result>12/13 = around 0.923077</result>