There are several coins of 5 jiao and 1 yuan, and they are divided into two piles with equal amount of money. Among them, the ratio of the number of 5 jiao coins to 1 yuan coins in the first pile is 5:3, and the number of 5 jiao coins in the second pile is 5:3. If the ratio of dime coins to 1 yuan coins is 1:2, how many coins are there in this bag?
有5角，1元的两种硬币若干枚，把它们分成钱数相等的两堆，其中，第一堆中5角硬币与1元硬币的个数比为5：3，第二堆中5角硬币与1元硬币的钱数比为1：2，则这袋硬币总数至少有多少枚．
<gadget id="calculator">5 * 3</gadget>
<output>15</output>

<gadget id="calculator">3 * 3</gadget>
<output>9</output>

<gadget id="calculator">11 * 2</gadget>
<output>22</output>

<gadget id="calculator">15 + 9 + 22</gadget>
<output>46</output>

<result>46</result>