There is a 3-meter-long rope, (1/5) of the length of the rope is used for the first time, and (2/5) meter is used for the second time, how many meters are used for the two times?
有一根长3米的绳子，第一次用去绳长的(1/5)，第二次用去(2/5)米，请问两次共用去多少米？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">3 * (1/5)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(3/5) + (2/5)</gadget>
<output>1</output>

<result>1</result>