A batch of rice is sold (3/4) tons, and there is just (3/4) left. How many tons does this batch of rice weigh?
一批大米卖出(3/4)吨，正好还剩(3/4)，这批大米重多少吨
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 - (3/4)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(3/4) / (1/4)</gadget>
<output>3</output>

<result>3</result>