There are 390 kg of apples in the fruit shop. The mass ratio of the apples sold on the first day to the remaining apples is 4:9. The number of apples sold on the second day is 25% more than that on the first day. How many kg are sold in two days?
水果店有苹果390kg，第一天卖出的苹果与剩余的苹果的质量比是4：9，第二天卖出的比第一天多25%，两天共卖出来多少kg？
<gadget id="calculator">4 + 9</gadget>
<output>13</output>

<gadget id="calculator">4 / 13</gadget>
<output>4/13 = around 0.307692</output>

<gadget id="calculator">390 * (4/13)</gadget>
<output>120</output>

<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">120 * (1/4)</gadget>
<output>30</output>

<gadget id="calculator">120 + 30</gadget>
<output>150</output>

<gadget id="calculator">120 + 150</gadget>
<output>270</output>

<result>270</result>