New World Primary School renews desks and chairs, a table is 65 yuan, a chair is 35 yuan, 120 sets are needed, how much is the total cost?
新世界小学更新课桌椅，一张桌子65元，一把椅子35元，要买120套，共需多少元？
<gadget id="calculator">65 + 35</gadget>
<output>100</output>

<gadget id="calculator">100 * 120</gadget>
<output>12_000</output>

<result>12_000</result>