A table is 280 yuan, a chair is 95 yuan, and the office needs 23 sets of such tables and chairs. How much will it cost in total?
一张桌子280元，一把椅子95元，办公室需要23套这样的桌椅，一共要花多少钱？
<gadget id="calculator">280 + 95</gadget>
<output>375</output>

<gadget id="calculator">375 * 23</gadget>
<output>8_625</output>

<result>8_625</result>