The cheetah asked the lion king to give it a piece of land, and the lion said: "You walk for 20 minutes, and the land surrounded by the 20 minutes will be given to you." It is known that the speed of the cheetah is 360 meters per minute. The road you walk just forms a square. How many square meters of land did the cheetah get?
猎豹要求狮子大王给它一块地，狮子说："你走20分钟，这20分钟所走的路围成的地送给你．"已知猎豹的速度是360米/分，它在20分钟内所走的路正好围成一个正方形．猎豹得到了多少平方米土地．
<gadget id="calculator">360 / 4</gadget>
<output>90</output>

<gadget id="calculator">20 * 90</gadget>
<output>1_800</output>

<gadget id="calculator">1_800 * 1_800</gadget>
<output>3_240_000</output>

<result>3_240_000</result>