piece of iron wire was used up (1/3) for the first time, and 6 meters more than the first time was used for the second time, leaving 34 meters useless. How many meters is the total length of this wire?
一根铁丝，第一次用去了(1/3)，第二次比第一次多用了6米，还剩34米没用，这根铁丝全长有多少米？
<gadget id="calculator">34 + 6</gadget>
<output>40</output>

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

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

<gadget id="calculator">40 / (1/3)</gadget>
<output>120</output>

<result>120</result>