When x=what, the value of x/3 is equal to 0.
当x=多少时，x/3的值等于0．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">0 / (1/3)</gadget>
<output>0</output>

<result>0</result>