There are 3 tons of coal in the cafeteria. On average, (3/8) tons are burned every day. How many days can it be burned?
食堂有煤3吨，平均每天烧(3/8)吨，可以烧多少天．
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">3 / (3/8)</gadget>
<output>8</output>

<result>8</result>