There was a peach seller who took a basket of peaches and sold them in various houses. When you go to the first shop, try one first, and then buy the remaining half; half. At this time, there are 35 peaches left in the basket. How many peaches are there in total?
有一个卖桃子的人，拿了一篮桃子到各家销售．到第一家先尝一个，然后买去所余下的一半；到第二家，又是先尝一个，再买去所余下的一半；到第三家，还是先尝一个，买去所余下的一半．这时篮子里还剩下35个桃子，原来这篮桃子共有多少个．
<gadget id="calculator">35 * 2</gadget>
<output>70</output>

<gadget id="calculator">70 + 1</gadget>
<output>71</output>

<gadget id="calculator">71 * 2</gadget>
<output>142</output>

<gadget id="calculator">142 + 1</gadget>
<output>143</output>

<gadget id="calculator">143 * 2</gadget>
<output>286</output>

<gadget id="calculator">286 + 1</gadget>
<output>287</output>

<result>287</result>