Divide a 6-meter-long steel wire into two sections. The length of the first section is twice the length of the second section. The length of the first section is ((())/(())) of the steel wire. What is the length of the second section in meters? ．
把一条6米长的钢丝分成两段，第一段长是第二段的2倍，第一段长是这条钢丝的((())/(()))，第二段长多少米．
<gadget id="calculator">1 + 2</gadget>
<output>3</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">6 * (1/3)</gadget>
<output>2</output>

<result>2</result>