Mom spent 125.2 yuan on shoes and 13.8 yuan on socks. Mom gave the salesperson 150 yuan. How much money is left?
妈妈买鞋用去125.2元，买袜子用去13.8元，妈妈给了售货员150元，还剩多少元？
<gadget id="calculator">125.2 + 13.8</gadget>
<output>139</output>

<gadget id="calculator">150 - 139</gadget>
<output>11</output>

<result>11</result>