A car drives from place A to place B. When it reaches 84 kilometers beyond the midpoint, it just travels 64% of the whole journey. How many kilometers will this car have to drive to reach place B?
一辆汽车从甲地开往乙地，当行驶到超过中点84千米处时，正好行驶了全程的64%，这辆汽车还要行驶多少千米才能到达乙地？
<gadget id="calculator">64 / 100</gadget>
<output>16/25 = around 0.64</output>

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

<gadget id="calculator">(16/25) - (1/2)</gadget>
<output>7/50 = around 0.14</output>

<gadget id="calculator">84 / (7/50)</gadget>
<output>600</output>

<gadget id="calculator">1 - (16/25)</gadget>
<output>9/25 = around 0.36</output>

<gadget id="calculator">600 * (9/25)</gadget>
<output>216</output>

<result>216</result>