In a flower bed, put 3 pots of chrysanthemums between every two pots of orchids, how many pots of chrysanthemums are there in total between the fifth pot of orchids and the tenth pot of orchids?
一个花坛，每两盆兰花之间放3盆菊花，从第5盆兰花到第10盆兰花之间，一共有多少盆菊花？
<gadget id="calculator">10 - 5</gadget>
<output>5</output>

<gadget id="calculator">5 * 3</gadget>
<output>15</output>

<result>15</result>