A tile is 13 yuan per piece, and there are 25 pieces per box. Xiaogang bought 3 boxes when decorating his home, how much did it cost in total?
一种瓷砖每块13元，每箱有25块．小刚家装修时买了3箱，一共要用多少元？
<gadget id="calculator">25 * 3 * 13</gadget>
<output>975</output>

<result>975</result>