A section of steel is (7/8) meters long, and (1/2) meter is used to make 4 parts. How many such parts can be made from the remaining steel?
一段钢材长(7/8)米，做4个零件用去了(1/2)米，剩下的钢材还可以做多少个这样的零件？
<gadget id="calculator">7 / 8</gadget>
<output>7/8 = around 0.875</output>

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

<gadget id="calculator">(7/8) - (1/2)</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">(1/2) / 4</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">(3/8) / (1/8)</gadget>
<output>3</output>

<result>3</result>