A steel pipe with a length of 8 meters is cut off by (1/4) and then cut off by (1/4) meter, how many meters are left.
一根长8米的钢管，截去(1/4)后又截去(1/4)米，还剩多少米．
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">8 * (1/4)</gadget>
<output>2</output>

<gadget id="calculator">8 - 2 - (1/4)</gadget>
<output>23/4 = around 5.75</output>

<result>23/4 = around 5.75</result>