After folding a 16-meter rope in half three times, how many meters is each length?
把一根16米的绳子对折三次后，每段长多少米？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">16 * (1/2) * (1/2) * (1/2)</gadget>
<output>2</output>

<result>2</result>