A concert is being held in the theater. Among the 180 tickets, 95 are first-class tickets at 20 yuan each, and the rest are second-class tickets at 12 yuan each. How much does the theater earn in total?
剧场里正在举行一场音乐会，180张票中有95张是甲等，每张20元，剩下的是乙等票，每张12元．剧场一共收入多少元？
<gadget id="calculator">20 * 95</gadget>
<output>1_900</output>

<gadget id="calculator">180 - 95</gadget>
<output>85</output>

<gadget id="calculator">12 * 85</gadget>
<output>1_020</output>

<gadget id="calculator">1_900 + 1_020</gadget>
<output>2_920</output>

<result>2_920</result>