Class 1 of 6 years prepared 64 red and blue balloons for the party. The ratio of red and blue is 5:3. How many blue balloons are there?
六年一班为联欢会准备了红色和蓝色的气球64个，其中红色和蓝色的数量比为5：3，蓝色的气球有多少个？
<gadget id="calculator">5 + 3</gadget>
<output>8</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">64 * (3/8)</gadget>
<output>24</output>

<result>24</result>