To build a road, the length ratio between the first day and the second day is 3:5. It is known that the second day is 300 meters longer than the first day. How many meters did you build in total in two days?
修一条路，第一天与第二天修的长度比是3：5，已知第二天比第一天多修300米．两天共修多少米？
<gadget id="calculator">5 - 3</gadget>
<output>2</output>

<gadget id="calculator">300 / 2</gadget>
<output>150</output>

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

<gadget id="calculator">150 * 8</gadget>
<output>1_200</output>

<result>1_200</result>