The school plans to lay floor tiles for 12 classrooms, and one classroom needs 180 yuan. How many floor tiles are used in total?
学校准备为12个教室铺地面砖，一个教室要用180块．一共要用多少块地面砖？
<gadget id="calculator">12 * 180</gadget>
<output>2_160</output>

<result>2_160</result>