Write a simplified fraction greater than (2/3) and less than (4/5): how much.
写出一个大于(2/3)且小于(4/5)的最简分数：多少．
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<result>3/4 = around 0.75</result>