Three road repair teams, A, B, and C, build a road with a length of 1200 meters. The ratio of the length of the road repaired by the two teams is 3:5. How much rice?
甲、乙、丙三个修路队修一条长1200米的公路，甲、乙两队所修的路长度比是3：5，丙队修的路长度是甲乙两队之和，丙队修了多少米？
<gadget id="calculator">3 + 5</gadget>
<output>8</output>

<gadget id="calculator">3 + 5 + 8</gadget>
<output>16</output>

<gadget id="calculator">1_200 / 16</gadget>
<output>75</output>

<gadget id="calculator">75 * 8</gadget>
<output>600</output>

<result>600</result>