Calculation: 11.1*4/9*3/7.4*2=how much.
计算：11.1*4/9*3/7.4*2=多少．
<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>

<gadget id="calculator">3 / 7.4</gadget>
<output>0.405405</output>

<gadget id="calculator">11.1 * (4/9) * 0.405405 * 2</gadget>
<output>3.999996</output>

<result>3.999996</result>