The ratio of the number of words typed by three typists A, B, and C is 8:6:7, A typed 1200 more characters than B, how many words did typist C type?
甲、乙、丙三个打字员打的字数比是8：6：7，甲比乙多打1200个字，丙打字员打多少个字？
<gadget id="calculator">8 - 6</gadget>
<output>2</output>

<gadget id="calculator">1_200 / 2</gadget>
<output>600</output>

<gadget id="calculator">600 * 7</gadget>
<output>4_200</output>

<result>4_200</result>