Divide 150 into A, B, and C. A is 30, and the ratio of B to C is 3:5. What is C?
把150分成甲、乙、丙三份，甲是30，乙和丙的比是3：5，则丙是多少
<gadget id="calculator">150 - 30</gadget>
<output>120</output>

<gadget id="calculator">3 + 5</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>