Mom bought a coat and used half of the money she brought, bought a scarf and spent 40 yuan, and there was 260 yuan left in the end. How much money did mother bring when she went out?
妈妈买一件大衣用去所带钱的一半，买一条围巾用去40元，最后还剩260元，妈妈出门带了多少钱？
<gadget id="calculator">260 + 40</gadget>
<output>300</output>

<gadget id="calculator">300 * 2</gadget>
<output>600</output>

<result>600</result>