The sum of the three numbers A, B, and C is 1020, the ratio of the three numbers is 3:4:5, how much more is the number C than the number A
甲、乙、丙三个数的和是1020，三个数的比是3：4：5，丙数比甲数多多少
<gadget id="calculator">3 + 4 + 5</gadget>
<output>12</output>

<gadget id="calculator">1_020 / 12</gadget>
<output>85</output>

<gadget id="calculator">5 - 3</gadget>
<output>2</output>

<gadget id="calculator">85 * 2</gadget>
<output>170</output>

<result>170</result>