The school is going to hold an emergency meeting for all teachers. The number of absentees accounted for 1/7 of the total number of attendees at the first roll call. During the second roll call, an increase of 3 people was found. At this time, the number of attendees was 10 times the number of absentees. The school had a total of How many teachers?
学校要召开全体教师紧急会议，第一次点名时缺席人数占出席人数的(1/7)，第二次点名时发现增加了3人，此时出席人数是缺席人数的10倍，学校一共有教师多少人？
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">(1/10) * 3</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">3 + (3/10)</gadget>
<output>33/10 = around 3.3</output>

<gadget id="calculator">(1/10) * 7</gadget>
<output>7/10 = around 0.7</output>

<gadget id="calculator">1 - (7/10)</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">(33/10) / (3/10)</gadget>
<output>11</output>

<gadget id="calculator">11 * 7</gadget>
<output>77</output>

<gadget id="calculator">11 + 77</gadget>
<output>88</output>

<result>88</result>