A, B, and C represent 3 different positive integers, and A*A=B+B=C*135, what is the minimum value of A?
甲、乙、丙表示3个不同的正整数，且甲*甲=乙+乙=丙*135，问甲最小是多少？
<gadget id="calculator">2 * 3 * 3 * 5</gadget>
<output>90</output>

<result>90</result>