The mass of blood in an adult's body is (1/13) of body weight, and the blood contains about (12/25) of water. Yang Xiuli's weight is 78 kilograms, how many kilograms of water is in her blood?
成人体内血液的质量是体重的(1/13)，血液中约含有(12/25)的水．杨秀丽的体重是78千克，她的血液中约含水多少千克？
<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">78 * (1/13) * (12/25)</gadget>
<output>72/25 = around 2.88</output>

<result>72/25 = around 2.88</result>