Solve the equation: (x+26)*4=168.
解方程：(x+26)*4=168．
<gadget id="calculator">26 * 4</gadget>
<output>104</output>

<gadget id="calculator">168 - 104</gadget>
<output>64</output>

<gadget id="calculator">64 / 4</gadget>
<output>16</output>

<result>16</result>