When x=what, the result of (56-8x)/10 is equal to 0.
当x=多少，(56-8x)/10的结果等于0．
<gadget id="calculator">56 / 10</gadget>
<output>28/5 = around 5.6</output>

<gadget id="calculator">(28/5) - 0</gadget>
<output>28/5 = around 5.6</output>

<gadget id="calculator">8 / 10</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">(28/5) / (4/5)</gadget>
<output>7</output>

<result>7</result>