Two engineering teams, A and B, jointly build a road. Team A completed 7 kilometers less than the total length (3/5), and Team B completed equivalent to (4/5) of Team A. How many meters is this road?
甲乙两个工程队合修完一条公路．甲队完成的比全长的(3/5)少7千米，乙队完成的相当于甲队的(4/5)．这条公路长多少米？
<gadget id="calculator">5 + 4</gadget>
<output>9</output>

<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 - (3/5)</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(4/9) - (2/5)</gadget>
<output>2/45 = around 0.044444</output>

<gadget id="calculator">7 / (2/45)</gadget>
<output>315/2 = around 157.5</output>

<result>315/2 = around 157.5</result>