An engineering team has repaired a section of road. It has built 2400 meters. The ratio of the number of meters repaired to the number of meters not repaired is 4:3. How long is this road in meters?
某工程队修一段公路，已经修了2400米，已修的米数和未修的米数的比是4：3，这条公路长多少米？
<gadget id="calculator">2_400 / 4</gadget>
<output>600</output>

<gadget id="calculator">600 * 3</gadget>
<output>1_800</output>

<gadget id="calculator">1_800 + 2_400</gadget>
<output>4_200</output>

<result>4_200</result>