There are 15 street lamps installed on a certain road, and it costs 908 yuan to install a street lamp. How much does it cost to install these street lamps?
某条公路上安装了15盏路灯，安装一盏路灯要908元，安装这些路灯要用多少钱？
<gadget id="calculator">908 * 15</gadget>
<output>13_620</output>

<result>13_620</result>