Tianyue Company ordered 30 sets of performance costumes, each shirt was 198 yuan, and each pair of trousers was 89 yuan. How much is the total cost?
天月公司订做了30套演出服，每件衬衣198元，每条裤子89元，一共需要多少元钱？
<gadget id="calculator">198 + 89</gadget>
<output>287</output>

<gadget id="calculator">287 * 30</gadget>
<output>8_610</output>

<result>8_610</result>