According to measurements, the ratio of water content to body weight in adults is 2:3, and the ratio of water content to body weight in children is 4:5. The mother's weight is 60kg, and Lanlan's weight has the same water content as her mother's weight. Do you know the water content in Lan Lan's body?
据测定，成人体内含水分量与体重之比为2：3，儿童以内水分含量与体重之比为4：5．妈妈体重为60kg，兰兰体重与妈妈体重的含水量相同．你知道兰兰体内的水分含量吗？
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">60 * (2/3) * (4/5)</gadget>
<output>32</output>

<result>32</result>