There is a 25-meter-long and 12-meter-wide open space on the campus, and lawns are to be planted on it. If the lawn costs 90 yuan per square meter, how much will it cost in total?
校园里有一块长25米，宽12米的空地，现要在上面种上草坪．如果每平方米的草坪要90元，一共需要多少钱？
<gadget id="calculator">12 * 25 * 90</gadget>
<output>27_000</output>

<result>27_000</result>