There is a row of rhododendrons at the gate of the school, a total of 6 pots, and two pots of roses are placed between each two pots of azaleas. How many pots of roses are placed in total?
学校门口放着一排杜鹃花，一共6盆，每两盆杜鹃花之间放着两盆月季花，一共放了几盆月季花？
<gadget id="calculator">6 - 1</gadget>
<output>5</output>

<gadget id="calculator">5 * 2</gadget>
<output>10</output>

<result>10</result>