If 120 books are distributed to Class A and Class B at a ratio of 5:3, how many books will Class A get?
把120本图书按5：3的比例分给甲、乙两班，则甲班分得多少本．
<gadget id="calculator">5 + 3</gadget>
<output>8</output>

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">120 * (5/8)</gadget>
<output>75</output>

<result>75</result>