There are 3 different pencils and 2 different erasers, and 1 pencil and 1 eraser are combined into a set. How many matching methods are there in total?
有3支不同的铅笔和2块不同的橡皮，1支铅笔和1块橡皮搭配成一套，共有多少种搭配方法．
<gadget id="calculator">3 * 2</gadget>
<output>6</output>

<result>6</result>