The school bought 135 sets of tables and chairs, each table is 142 yuan, and each chair is 58 yuan. How much does it cost in total?
学校买来135套桌椅，每张桌子142元，每把椅子58元，一共要花多少钱？
<gadget id="calculator">142 + 58</gadget>
<output>200</output>

<gadget id="calculator">200 * 135</gadget>
<output>27_000</output>

<result>27_000</result>