The school cafeteria shipped 1200kg of rice, and ate (1/4) of the rice in 5 days. According to this calculation, how many days can the rice be eaten?
学校食堂运来1200kg的大米，5天吃了这些大米的(1/4)，照这样计算，这些大米还可以吃几天？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1_200 * (1/4)</gadget>
<output>300</output>

<gadget id="calculator">1_200 - 300</gadget>
<output>900</output>

<gadget id="calculator">(1/4) / 5</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">1_200 * (1/20)</gadget>
<output>60</output>

<gadget id="calculator">900 / 60</gadget>
<output>15</output>

<result>15</result>