My mother weighs 3 times as much as me. My mother weighs 63 kilograms. How many kilograms do I weigh?
妈妈的体重是我的3倍，妈妈重63千克，我的体重是多少千克？
<gadget id="calculator">63 / 3</gadget>
<output>21</output>

<result>21</result>