To build a highway, 100 meters per day for the first 15 days, and a total of 1250 meters for the next 10 days, how many meters per day on average?
修一条高速公路，前15天每天修100米，后10天共修1250米，平均每天修多少米？
<gadget id="calculator">100 * 15</gadget>
<output>1_500</output>

<gadget id="calculator">1_500 + 1_250</gadget>
<output>2_750</output>

<gadget id="calculator">15 + 10</gadget>
<output>25</output>

<gadget id="calculator">2_750 / 25</gadget>
<output>110</output>

<result>110</result>