If a:0.6=(2/3):b, then ab=what
如果a：0.6=(2/3)：b，那么ab=多少
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">0.6 * (2/3)</gadget>
<output>0.4</output>

<result>0.4</result>