The basketball court of Hongxing Elementary School is 150 meters long, and the width is half of the length. If you run 2 laps along the basketball court, how many meters are you running in total?
红星小学的篮球场长150米，宽是长的一半，沿篮球场跑2圈，共跑了多少米？
<gadget id="calculator">150 / 2</gadget>
<output>75</output>

<gadget id="calculator">150 + 75</gadget>
<output>225</output>

<gadget id="calculator">225 * 2 * 2</gadget>
<output>900</output>

<result>900</result>