The sum of A, B, and C is 100. When dividing A by B or C by A, the result is a quotient of 5 with a remainder of 1. What is B?
甲、乙、丙三数之和是100，甲数除以乙数或丙数除以甲数，得数都是商5余1，乙数是多少？
<gadget id="calculator">100 - 1 - 5 - 1</gadget>
<output>93</output>

<gadget id="calculator">6 + 25</gadget>
<output>31</output>

<gadget id="calculator">93 / 31</gadget>
<output>3</output>

<result>3</result>