For a bundle of wires, 20% is used for the first time, 5 meters less for the second time than the first time, and 35 meters are used for the two times. How many meters is this bundle of wires in total?
一捆电线，第一次用去20%，第二次用去的比第一次少5米，两次共用去了35米．这捆电线一共是多少米？
<gadget id="calculator">5 + 35</gadget>
<output>40</output>

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">(1/5) * 2</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">40 / (2/5)</gadget>
<output>100</output>

<result>100</result>