The school cafeteria brought in 25 tons of flour, and they ate (3/4) t a day on average. It has been 12 days, and the rest ate (4/5) t a day. How many more days can I eat?
学校食堂运来25t面粉，平均每天吃(3/4)t，已吃了12天，余下的每天吃(4/5)t，还可以吃几天？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(3/4) * 12</gadget>
<output>9</output>

<gadget id="calculator">25 - 9</gadget>
<output>16</output>

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">16 / (4/5)</gadget>
<output>20</output>

<result>20</result>