Harmony fishing boat goes out to sea in September for 14 days in the first half of the month, catching 15 tons of fish, and 13 days in the second half of the month, catching 120 tons of fish. How many tons is this boat catching on average per day in September?
和谐号渔船九月份出海捕鱼，上半月出海14天，捕鱼15吨，下半月出海13天，捕鱼120吨．这条船九月份平均每天捕鱼多少吨？
<gadget id="calculator">15 + 120</gadget>
<output>135</output>

<gadget id="calculator">14 + 13</gadget>
<output>27</output>

<gadget id="calculator">135 / 27</gadget>
<output>5</output>

<result>5</result>