55*66/(11*11)=how much.
55*66/(11*11)=多少．
<gadget id="calculator">11 * 11</gadget>
<output>121</output>

<gadget id="calculator">66 / 121</gadget>
<output>6/11 = around 0.545455</output>

<gadget id="calculator">55 * (6/11)</gadget>
<output>30</output>

<result>30</result>