There is an iron wire, (1/2) of it is used for the first time, 1 meter more, and the remaining (1/3) is used for the second time, 1 meter less, and there are still 17 meters left. How many meters is this iron wire?
有一根铁丝，第一次用去它的(1/2)多1米，第二次用去了余下的(1/3)少1米，这时还剩下17米．求这根铁丝原来多少米？
<gadget id="calculator">17 - 1</gadget>
<output>16</output>

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

<gadget id="calculator">1 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">16 / (2/3)</gadget>
<output>24</output>

<gadget id="calculator">24 + 1</gadget>
<output>25</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 - (1/2)</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">25 / (1/2)</gadget>
<output>50</output>

<result>50</result>