Use a rope to measure the depth of the well, use (1/3) of the rope to measure, and the remaining 2 meters outside the well, use (1/4) to measure, the upper end of the rope is 1 meter away from the well head, how many meters is the rope?
用绳子测量井深，用绳子的(1/3)来量，井外余2米，用绳子的(1/4)来量，绳子上端距井口还有1米，绳子长多少米？
<gadget id="calculator">1 * 4</gadget>
<output>4</output>

<gadget id="calculator">2 * 3</gadget>
<output>6</output>

<gadget id="calculator">4 + 6</gadget>
<output>10</output>

<gadget id="calculator">4 - 3</gadget>
<output>1</output>

<gadget id="calculator">10 / 1</gadget>
<output>10</output>

<gadget id="calculator">10 + 2</gadget>
<output>12</output>

<gadget id="calculator">12 * 3</gadget>
<output>36</output>

<result>36</result>