It is known that a:b=2:3, b:c=1:2, and a+b+c=32, then how much is a=.
已知a：b=2：3，b：c=1：2，并且以a+b+c=32，那么a=多少．
<gadget id="calculator">2 + 3 + 6</gadget>
<output>11</output>

<gadget id="calculator">2 / 11</gadget>
<output>2/11 = around 0.181818</output>

<gadget id="calculator">32 * (2/11)</gadget>
<output>64/11 = around 5.818182</output>

<result>64/11 = around 5.818182</result>