Each table is 48 yuan, and each chair is 32 yuan. The school bought 138 sets of tables and chairs. How much is the total cost?
每张桌子48元，每把椅子32元，学校买来138套桌椅，一共用了多少元？
<gadget id="calculator">48 + 32</gadget>
<output>80</output>

<gadget id="calculator">80 * 138</gadget>
<output>11_040</output>

<result>11_040</result>