A wooden pole is 9 meters long, if (2/3) of it is cut off, how many meters are cut off?
一根木杆长9米，截去它的(2/3)，截去多少米．
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">9 * (2/3)</gadget>
<output>6</output>

<result>6</result>