The underground part of Nanjing Metro Line 1 is about 14.38 kilometers long, which is 0.7 kilometers less than twice the length of the above-ground part. How many kilometers is the above-ground part? (column equation solution)
南京地铁一号线的地下部分大约长14.38千米，比地上部分的2倍少0.7千米，地上部分大约长多少千米？(列方程解答)
<gadget id="calculator">14.38 + 0.7</gadget>
<output>15.08</output>

<gadget id="calculator">15.08 / 2</gadget>
<output>7.54</output>

<result>7.54</result>