There are 4 squares where fat ball corn seedlings are bred, and there are 216 fat ball corn seedlings in each square. How many fat ball corn seedlings have been bred in total?
有4个方块里育种了肥团玉米苗，每个方块里有216个肥团玉米苗，共大约育种了多少个肥团玉米苗？
<gadget id="calculator">216 * 4</gadget>
<output>864</output>

<result>864</result>