Two trucks of red bricks were brought into the construction site, 120 yuan each, and the amount of blue bricks brought in was three times that of the red bricks. How many pieces of blue bricks were brought in?
工地运进两车红砖，每车120块，运进的青砖是红砖的3倍，运进青砖多少块？
<gadget id="calculator">120 * 2 * 3</gadget>
<output>720</output>

<result>720</result>