It takes 2 days for Maverick to travel from the county seat to the provincial capital by car. On the first day, he walked the whole distance (1/2) and 72 kilometers. On the second day, the distance traveled is equal to (1/2) the first day. Find the county seat The distance to the provincial capital.
小牛乘汽车从县城到省城需2天，他第一天走了全程的(1/2)又72千米，第二天走的路程等于第一天的(1/2)，求县城到省城的距离．
<gadget id="calculator">1 + 2</gadget>
<output>3</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(2/3) - (1/2)</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">72 / (1/6)</gadget>
<output>432</output>

<result>432</result>