Huayu Transportation Company transported a batch of flour. On the first day, more than half of the total number was transported, more than 60 bags. On the second day, the remaining half was less than 60 bags. In the end, there were 220 bags left. How many bags are there in this batch of rice?
华宇运输公司运一批面粉，第一天运走总数的一半多60袋，第二天运走余下的一半少60袋，最后还剩220袋没有运走，这批大米一共有多少袋．
<gadget id="calculator">220 - 60</gadget>
<output>160</output>

<gadget id="calculator">160 * 2</gadget>
<output>320</output>

<gadget id="calculator">320 + 60</gadget>
<output>380</output>

<gadget id="calculator">380 * 2</gadget>
<output>760</output>

<result>760</result>