Fold a piece of rectangular paper with a length of 40 cm and a width of l cm in half continuously three times to obtain a shorter rectangle with constant width, then start from one end of it and cut every 1 cm to obtain a length of 2 cm and a width of l How many centimeters are small rectangles.
将一张长40厘米，宽l厘米的长方形纸连续对折3次，得到宽不变的较短的长方形，然后从它的一端开始，每隔1厘米剪一刀，可得长2厘米、宽l厘米的小长方形多少块．
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

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

<gadget id="calculator">40 * (1/8)</gadget>
<output>5</output>

<gadget id="calculator">5 - 1</gadget>
<output>4</output>

<gadget id="calculator">5 - 2</gadget>
<output>3</output>

<gadget id="calculator">4 + 3</gadget>
<output>7</output>

<result>7</result>