Guangming Primary School bought 45 sets of tables and chairs, each table was 34 yuan, and each chair was 16 yuan. How much did you spend on these tables and chairs?
光明小学买来45套桌椅，每张桌子34元，每把椅子16元，买这些桌椅一共用了多少元？
<gadget id="calculator">34 + 16</gadget>
<output>50</output>

<gadget id="calculator">50 * 45</gadget>
<output>2_250</output>

<result>2_250</result>