Solve the equation: ((x+7)/4)-((x-8)/3)=1.
解方程：((x+7)/4)-((x-8)/3)=1．
<gadget id="calculator">7 / 4</gadget>
<output>7/4 = around 1.75</output>

<gadget id="calculator">8 / 3</gadget>
<output>8/3 = around 2.666667</output>

<gadget id="calculator">(8/3) - 1</gadget>
<output>5/3 = around 1.666667</output>

<gadget id="calculator">(7/4) + (5/3)</gadget>
<output>41/12 = around 3.416667</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/3) - (1/4)</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">(41/12) / (1/12)</gadget>
<output>41</output>

<result>41</result>