There are a total of 96 red, white and black beads of the same size, arranged according to the first 5 red ones, then 4 white ones, and then 3 black ones, as shown in the figure: ◎◎◎◎◎○○○○●●◎◎ ◎◎◎○○○○•●●◎◎… May I ask: How many black beads are there? How many
有同样大小的红白黑珠共96个，按先5个红的，再4个白的，再3个黑的排列着，如图：◎◎◎◎◎○○○○●●●◎◎◎◎◎○○○○•●●◎◎…试问：黑珠共的几个？多少
<gadget id="calculator">5 + 4 + 3</gadget>
<output>12</output>

<gadget id="calculator">96 / 12</gadget>
<output>8</output>

<gadget id="calculator">8 * 3</gadget>
<output>24</output>

<result>24</result>