The forest farm has a rectangular wasteland with a length of 16 kilometers and a width of 13 kilometers. In this wasteland, 3750 trees are planned to be planted per hectare. How many trees can be planted in this wasteland?
林场有一块长16千米，宽13千米的长方形荒地，在这块荒地上种树，每公顷计划种树3750棵．这块荒地一共可以种树多少棵？
<gadget id="calculator">3_750 * 16 * 13 * 100</gadget>
<output>78_000_000</output>

<result>78_000_000</result>