Mrs. Yang bought 11 tubes of badminton, 6 in each tube, 3 yuan each. How much did he spend on these badmintons?
杨老师买了11筒羽毛球，每筒里面6个，每个3元．他买这些羽毛球一共花了多少元．
<gadget id="calculator">11 * 6 * 3</gadget>
<output>198</output>

<result>198</result>