There are (9/2) tons of coal in the warehouse, and (1/6) of the total is removed for the first time. After how many tons are removed, the amount removed is as much as the rest?
仓库里有(9/2)吨煤，第一次运走总数的(1/6)，再运多少吨后，运走的与剩下的一样多？
<gadget id="calculator">9 / 2</gadget>
<output>9/2 = around 4.5</output>

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

<gadget id="calculator">(9/2) * (1/2)</gadget>
<output>9/4 = around 2.25</output>

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

<gadget id="calculator">(9/2) * (1/6)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(9/4) - (3/4)</gadget>
<output>3/2 = around 1.5</output>

<result>3/2 = around 1.5</result>