Two threshers (2/3) can thresh (4/5) tons per hour, how many tons can each thresher average per hour?
两台脱粒机(2/3)小时可以脱粒(4/5)吨，平均每台脱粒机每小时可以脱粒多少吨？
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">(4/5) / (2/3) / 2</gadget>
<output>3/5 = around 0.6</output>

<result>3/5 = around 0.6</result>