A piece of iron wire, 10m used for the first time, is 2m less than (6/7) used for the second time, how many meters are shared by the two times?
一根铁丝，第一次用去10m，比第二次用去的(6/7)少2m，两次共用去多少米？
<gadget id="calculator">10 + 2</gadget>
<output>12</output>

<gadget id="calculator">6 / 7</gadget>
<output>6/7 = around 0.857143</output>

<gadget id="calculator">12 / (6/7)</gadget>
<output>14</output>

<gadget id="calculator">10 + 14</gadget>
<output>24</output>

<result>24</result>