An engineering team repairs a road, and has built 1200m. At this time, the ratio of the length of the repaired to the unrepaired is 4:3. How many meters is the total length of this road?
某工程队修一条公路，已修了1200m，这时已修和未修的长度比是4：3，这条公路全长是多少米？
<gadget id="calculator">4 + 3</gadget>
<output>7</output>

<gadget id="calculator">4 / 7</gadget>
<output>4/7 = around 0.571429</output>

<gadget id="calculator">1_200 / (4/7)</gadget>
<output>2_100</output>

<result>2_100</result>