In-class knowledge: There are red, yellow, and blue flowers at the gate of the school. Among them, the number of yellow flower pots is the largest, which is four times the number of red flower pots and three times the number of blue flower pots. If there are 20 more pots of blue flowers than red flowers, how many pots of flowers are there in front of the school?
课内知识：学校门口放有红、黄、蓝三种颜色的花，其中黄花的盆数最多，既是红花盆数的4倍，也是蓝花盆数的3倍．如果蓝花比红花多20盆，那么学校门口一共多少盆花？
<gadget id="calculator">4 - 3</gadget>
<output>1</output>

<gadget id="calculator">20 / 1</gadget>
<output>20</output>

<gadget id="calculator">20 * 3</gadget>
<output>60</output>

<gadget id="calculator">60 + 20</gadget>
<output>80</output>

<gadget id="calculator">60 * 4</gadget>
<output>240</output>

<gadget id="calculator">60 + 80 + 240</gadget>
<output>380</output>

<result>380</result>