The garment factory plans to process 526 sets of children's clothing, and each set of children's clothing has 12 buttons. How many buttons are needed in total?
服装厂计划加工526套童装，每套童装钉12个扣子，一共需要多少个扣子？
<gadget id="calculator">12 * 526</gadget>
<output>6_312</output>

<result>6_312</result>