Two excavators A and B cooperate to dig a canal, and excavator A digs this canal (7/12). Excavator A did not complete the planned amount due to a breakdown, and excavator B dug an extra 44 meters to complete. At this time, the length ratio between A and B is 2:3. How many meters is this canal?
甲乙两台挖掘机合作挖一条水渠，甲挖掘机挖这条水渠的(7/12)．甲挖掘机因故障未完成计划数，乙挖掘机多挖了44米才完成．这时甲乙两台挖的长度比是2：3，请问这条水渠有多少米？
<gadget id="calculator">7 / 12</gadget>
<output>7/12 = around 0.583333</output>

<gadget id="calculator">2 + 3</gadget>
<output>5</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(7/12) - (2/5)</gadget>
<output>11/60 = around 0.183333</output>

<gadget id="calculator">44 / (11/60)</gadget>
<output>240</output>

<result>240</result>