Solve the equation: 8x-4*14=0.
解方程：8x-4*14=0．
<gadget id="calculator">4 * 14</gadget>
<output>56</output>

<gadget id="calculator">56 + 0</gadget>
<output>56</output>

<gadget id="calculator">56 / 8</gadget>
<output>7</output>

<result>7</result>