A rope is 800 meters long, 1/5 of the total length is used for the first time, and 35% of the total length is used for the second time, how much more meters are used for the second time than the first time?
一根绳子800米，第一次用去了全长的(1/5)，第二次用去了全长的35%，第二次比第一次多用去了多少米？
<gadget id="calculator">35 / 100</gadget>
<output>7/20 = around 0.35</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">(7/20) - (1/5)</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">800 * (3/20)</gadget>
<output>120</output>

<result>120</result>