240 meters of canals have been repaired in Huangcun, and the remaining section is 94 meters shorter than twice the repaired one. How many meters are left unrepaired?
黄村修水渠，已经修好了240米，剩下的一段比修好的2倍少94米．还有多少米没有修？
<gadget id="calculator">240 * 2</gadget>
<output>480</output>

<gadget id="calculator">480 - 94</gadget>
<output>386</output>

<result>386</result>