The rice stored in the canteen of the Experimental Primary School can last 8 people for 30 days. Now 8 people have eaten it for 5 days, and 3 people left. How many days can the remaining rice be eaten?
实验小学餐厅存有的大米可供8人吃30天，现在8人吃了5天后，走了3人，余下的大米还可以吃多少天？
<gadget id="calculator">1 / 8 / 30</gadget>
<output>1/240 = around 0.004167</output>

<gadget id="calculator">(1/240) * 8 * 5</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 - (1/6)</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">(1/240) * 5</gadget>
<output>1/48 = around 0.020833</output>

<gadget id="calculator">(5/6) / (1/48)</gadget>
<output>40</output>

<result>40</result>