The sum of the weights of Xiaoqing and her father is 125 kg. Xiaoqing's weight is that of her father (9/16). How much does Xiaoqing weigh?
小青和爸爸的体重之和是125千克，小青的体重是爸爸的(9/16)，小青有多重？
<gadget id="calculator">9 / 16</gadget>
<output>9/16 = around 0.5625</output>

<gadget id="calculator">1 + (9/16)</gadget>
<output>25/16 = around 1.5625</output>

<gadget id="calculator">125 / (25/16)</gadget>
<output>80</output>

<gadget id="calculator">80 * (9/16)</gadget>
<output>45</output>

<result>45</result>