Grandma Li sells eggs. In the morning, she sells half of the total number of eggs, which is 10 more. In the afternoon, she sells the remaining half, which is 10 less. In the end, there are 35 eggs left. How many eggs does Grandma Li have?
李奶奶卖鸡蛋，上午卖出总数的一半多10个，下午又卖出剩下的一半少10个，最后还剩下35个，李奶奶原来有多少个鸡蛋？
<gadget id="calculator">35 - 10</gadget>
<output>25</output>

<gadget id="calculator">25 * 2</gadget>
<output>50</output>

<gadget id="calculator">50 + 10</gadget>
<output>60</output>

<gadget id="calculator">60 * 2</gadget>
<output>120</output>

<result>120</result>