Teacher Wang's weight is 60 kg, Xiaoya's weight is the teacher's (2/3), Xiaofang's weight is Xiaoya's (7/8), find Xiaofang's weight.
王老师的体重是60千克，小雅体重是老师的(2/3)，小芳体重是小雅的(7/8)，求小芳体重．
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">7 / 8</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">60 * (2/3) * (7/8)</gadget>
<output>35</output>

<result>35</result>