The water in the human body accounts for about 7/10 of the body weight. How much does the water in your body weigh?
人体内的水分约占体重的(7/10)，你体内的水分约重多少．
<gadget id="calculator">7 / 10</gadget>
<output>7/10 = around 0.7</output>

<gadget id="calculator">40 * (7/10)</gadget>
<output>28</output>

<result>28</result>