The number of students in class A is more than that of class B in grade six (1/8). If 5 people are transferred from class A to class B, the number of people in the two classes will be equal. How many people are there in class A?
六年级甲班人数比乙班人数多(1/8)，若从甲班调5人到乙班，则两班人数相等，甲班原有多少人？
<gadget id="calculator">5 + 5</gadget>
<output>10</output>

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">(1/8) - 1</gadget>
<output>-7/8 = around -0.875</output>

<gadget id="calculator">1 + (-7/8)</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">10 / (1/8)</gadget>
<output>80</output>

<gadget id="calculator">1 + (1/8)</gadget>
<output>9/8 = around 1.125</output>

<gadget id="calculator">80 * (9/8)</gadget>
<output>90</output>

<result>90</result>