The product of two numbers is (3/4), their sum is 2, what is their difference.
两个数的积是(3/4)，它们的和是2，它们的差是多少．
<gadget id="calculator">5 / 2</gadget>
<output>5/2 = around 2.5</output>

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

<gadget id="calculator">2 * (3/4)</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">(5/2) - (3/2)</gadget>
<output>1</output>

<result>1</result>