Xiao Meng has 3 different tops and 5 different skirts. How many different matching methods does she have when choosing a dress?
小孟有3件不同的上衣，5条不同的裙子，她在选择一套衣裙是共有多少种不同的搭配方法？
<gadget id="calculator">3 * 5</gadget>
<output>15</output>

<result>15</result>