Mom bought a telephone for 116 yuan, and after paying some money, she got back 84 yuan. How much did mother pay? (column equation solution)
妈妈买了一部116元的电话机，付了一些钱后找回84元，妈妈付了多少元？(列方程解答)
<gadget id="calculator">84 + 116</gadget>
<output>200</output>

<result>200</result>