A rope with a length of 3 meters is folded in half twice, and then cut along the crease, what is the length of each piece of rope in meters?
一条长度为3米的绳子，对折2次，然后沿着折痕剪开，则每段绳子的长度为多少米．
<gadget id="calculator">2 * 2</gadget>
<output>4</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<result>3/4 = around 0.75</result>