A vegetable plantation has two vegetable greenhouses for tomatoes and cucumbers. The tomato greenhouse covers an area of 230 square meters, and the cucumber greenhouse covers an area of 203 square meters. The cost per square meter is 15 yuan. How much is the total cost of the two greenhouses?
一个蔬菜种植园建了西红柿和黄瓜两个蔬菜大棚，其中西红柿大棚占地230平方米，黄瓜大棚占地203平方米，每平方米造价15元，两个大棚的总造价是多少元？
<gadget id="calculator">230 * 15</gadget>
<output>3_450</output>

<gadget id="calculator">203 * 15</gadget>
<output>3_045</output>

<gadget id="calculator">3_450 + 3_045</gadget>
<output>6_495</output>

<result>6_495</result>