Mother's weight is 45 kg, which is 60% of father's weight, and Xiaoming's weight is father's again (7/15). How many kilograms does Xiao Ming weigh?
妈妈的体重是45千克，是爸爸体重的60%，小明的体重又是爸爸的(7/15)．小明的体重是多少千克？
<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">45 / (3/5)</gadget>
<output>75</output>

<gadget id="calculator">7 / 15</gadget>
<output>7/15 = around 0.466667</output>

<gadget id="calculator">75 * (7/15)</gadget>
<output>35</output>

<result>35</result>