An engineering team builds a road with a length of 1,200 meters. The ratio of completed and unrepaired roads is 3:2. How many meters of this road are unrepaired?
某工程队修一条长1200米的公路，修完的和没修的比是3：2，这条公路没修的有多少米？
<gadget id="calculator">3 + 2</gadget>
<output>5</output>

<gadget id="calculator">1_200 / 5</gadget>
<output>240</output>

<gadget id="calculator">240 * 2</gadget>
<output>480</output>

<result>480</result>