A triangular billboard with a base of 6.5m and a height of 4.8m costs 230 yuan per square meter. How much does it cost to make this billboard?
一块三角形广告牌，底是6.5m，高是4.8m，每平方米造价是230元．制作这块广告牌需要多少钱？
<gadget id="calculator">4.8 / 2</gadget>
<output>2.4</output>

<gadget id="calculator">6.5 * 2.4 * 230</gadget>
<output>3_588</output>

<result>3_588</result>