Mother and daughter are playing on a seesaw. The daughter weighs 12 kg and sits at a distance of 1.5 meters from the fulcrum. The mother weighs 60 kg. How far can she sit from the fulcrum to maintain the balance of the seesaw?
母女俩玩跷跷板，女儿体重12千克，坐在距离支点1.5米处，妈妈体重60千克，她坐在距离支点多远处才能保持跷跷板的平衡？
<gadget id="calculator">12 * 1.5</gadget>
<output>18</output>

<gadget id="calculator">18 / 60</gadget>
<output>3/10 = around 0.3</output>

<result>3/10 = around 0.3</result>