Cut a 10-meter iron wire into 5 sections of the same length, each section is the full length ((())/(())), how many meters is each section long?
把一根10米的铁丝剪成同样长的5段，每段是全长的((())/(()))，每段长多少米．
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">10 * (1/5)</gadget>
<output>2</output>

<result>2</result>