What is the difference between the product of (1/2) times (2/3) and minus (2/11)?
(1/2)乘(2/3)的积减去(2/11)，差是多少？
<gadget id="calculator">15 / 33</gadget>
<output>5/11 = around 0.454545</output>

<result>5/11 = around 0.454545</result>