One (4/5) ton of wheat can grind (3/4) ton of flour, how many tons of wheat is needed to grind 1 ton of flour? What is the column
一种小麦(4/5)吨可以磨面粉(3/4)吨，磨1吨面粉需小麦多少吨？列式为多少
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(4/5) / (3/4)</gadget>
<output>16/15 = around 1.066667</output>

<result>16/15 = around 1.066667</result>