The ratio of the number of large balloons to the number of small balloons is 3:8, and the number of large balloons plus the number of small balloons (5/7) totals 244. How many balls are there?
大气球的个数与小气球的个数的比是3：8，大气球的个数加上小气球的(5/7)共有244个．小球有多少个？
<gadget id="calculator">7 / 4</gadget>
<output>7/4 = around 1.75</output>

<gadget id="calculator">(7/4) * 8</gadget>
<output>14</output>

<result>14</result>