After building a road, after completing the full length (3/8), it is 16 kilometers away from the midpoint. How many kilometers is the total length of this road?
修筑一条公路，完成了全长的(3/8)后，离中点16千米，这条公路全长多少千米？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">(1/2) - (3/8)</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">16 / (1/8)</gadget>
<output>128</output>

<result>128</result>