Take half of the first pile of apples and put them in the second pile, take 35 apples and put them in the third pile, and take the remaining half and put them in the fourth pile. At this time, there are still 30 apples in the first pile. How many original apples?
从第一堆苹果里拿一半放到第二堆，拿35个放到第三堆里，又拿剩下的一半放到第四堆，这时第一堆里还有30个，第一堆原有苹果多少个？
<gadget id="calculator">30 * 2</gadget>
<output>60</output>

<gadget id="calculator">60 + 35</gadget>
<output>95</output>

<gadget id="calculator">95 * 2</gadget>
<output>190</output>

<result>190</result>