There are 35 boys and 37 girls in Class 5 of the sixth grade. It is known that the number of people in the fifth class of six years (5/6) is 9 people less than the number of people in the first class of six years. How many people are there in class six?
六年五班有男生35人，女生37人．已知六年五班人数的(5/6)比六年一班的人数少9人．六年一班有多少人？
<gadget id="calculator">35 + 37</gadget>
<output>72</output>

<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">72 * (5/6)</gadget>
<output>60</output>

<gadget id="calculator">60 + 9</gadget>
<output>69</output>

<result>69</result>