A road repair team repairs a road, and it repairs an average of 28 kilometers per day in the first 9 days, and a total of 183 kilometers in the next 6 days. How many kilometers does the road repair team repair on average every day?
一个修路队修一条公路，前9天平均每天修28千米，后6天共修183千米，这个修路队平均每天修路多少千米？
<gadget id="calculator">28 * 9</gadget>
<output>252</output>

<gadget id="calculator">252 + 183</gadget>
<output>435</output>

<gadget id="calculator">9 + 6</gadget>
<output>15</output>

<gadget id="calculator">435 / 15</gadget>
<output>29</output>

<result>29</result>