Songyang Xiaoxiao bought 7 sets of tables and chairs, each set cost 100 yuan, how much did it cost in total?
嵩阳一小买进7套桌椅，每套100元钱，一共需要多少元钱？
<gadget id="calculator">100 * 7</gadget>
<output>700</output>

<result>700</result>