A pool is equipped with an inlet pipe and an outlet pipe. If the inlet pipe is only opened, the empty pool can be filled in 6 minutes. Open the water pipe alone, and the water in the pool can be radiated in 8 minutes. Now open two pipes at the same time, how many minutes can it fill half of the pool?
一个水池装有进水管和出水管，单开进水管，6分钟可将空池注满．单开出水管，8分钟可以将池水放光，现同时打开两管，多少分钟可以注进水池的一半？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">(1/6) - (1/8)</gadget>
<output>1/24 = around 0.041667</output>

<gadget id="calculator">(1/2) / (1/24)</gadget>
<output>12</output>

<result>12</result>