The mother's weight is 52 kg, and the mother is 24 kg heavier than Xiaohong. How much is Xiaohong's weight?
妈妈的体重是52千克，妈妈比小红重24千克，小红的体重是多少千克？
<gadget id="calculator">52 - 24</gadget>
<output>28</output>

<result>28</result>