The canteen brought a batch of rice, ate (1/5) in the first week, and ate (3/4) of the first week in the second week, leaving 1300 kg uneaten. How many kilograms is this batch of rice in total?
食堂运来一批大米，第一周吃了(1/5)，第二周吃了第一周的(3/4)，还剩1300千克没吃．这批大米一共有多少千克？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(1/5) * (3/4)</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">1 - (1/5) - (3/20)</gadget>
<output>13/20 = around 0.65</output>

<gadget id="calculator">1_300 / (13/20)</gadget>
<output>2_000</output>

<result>2_000</result>