The grain store shipped a batch of rice, sold 40% of the total in the first week, and 36% of the total in the second week, and sold 80 more bags in the first week than in the second week. How many bags of this batch of rice are there?
粮店运来一批大米，第一周卖出总数的40%，第二周卖出总数的36%，第一周比第二周多卖出80包，这批大米有多少包？
<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">36 / 100</gadget>
<output>9/25 = around 0.36</output>

<gadget id="calculator">(2/5) - (9/25)</gadget>
<output>1/25 = around 0.04</output>

<gadget id="calculator">80 / (1/25)</gadget>
<output>2_000</output>

<result>2_000</result>