On Saturday, my mother went shopping in the supermarket, spent 134.60 yuan, and left 365.40 yuan. How much money did my mother have?
星期六妈妈去超市购物，用去134.60元，还剩365.40元，妈妈原来有多少钱？
<gadget id="calculator">134.6 + 365.4</gadget>
<output>500</output>

<result>500</result>