To build two rural roads, the cost of the first road is 320,000 yuan less than three times the cost of the second road, and the cost of the second road accounts for (3/7) of the total cost of the two roads, and the cost of the second road How much is the cost?
修两条乡村公路，其中第一条的造价比第二条造价的3倍少32万元，而第二条公路的造价占两条公路总造价的(3/7)，第二条公路的造价是多少万元？
<gadget id="calculator">3 / 7</gadget>
<output>3/7 = around 0.428571</output>

<gadget id="calculator">32 * (3/7)</gadget>
<output>96/7 = around 13.714286</output>

<gadget id="calculator">3 * (3/7)</gadget>
<output>9/7 = around 1.285714</output>

<gadget id="calculator">(3/7) - 1</gadget>
<output>-4/7 = around -0.571429</output>

<gadget id="calculator">(9/7) + (-4/7)</gadget>
<output>5/7 = around 0.714286</output>

<gadget id="calculator">(96/7) / (5/7)</gadget>
<output>96/5 = around 19.2</output>

<result>96/5 = around 19.2</result>