Mom bought some toffee and 35 pieces of fruit candy. If 20 pieces of toffee were eaten, it would be 5 less than fruit candy. How many toffee did mother buy?
妈妈买了一些奶糖和35粒水果糖，如果奶糖吃掉20粒，就比水果糖少5粒，妈妈买了多少粒奶糖？
<gadget id="calculator">20 - 5</gadget>
<output>15</output>

<gadget id="calculator">35 + 15</gadget>
<output>50</output>

<result>50</result>