A and B each have a certain amount of RMB. A said to B: "Give me 30 yuan of your money, and we both have the same amount of money." B said to A: "Give me 20 yuan of your money, and my money is five times yours." How much money do you have?
甲乙二人各有人民币若干元．甲对乙说："把你的钱给我30元，咱俩的钱同样多．"乙对甲说："把你的钱给我20元，我的钱就是你的5倍．"甲原来有多少钱？
<gadget id="calculator">20 * 5</gadget>
<output>100</output>

<gadget id="calculator">30 * 2</gadget>
<output>60</output>

<gadget id="calculator">100 + 60 + 20</gadget>
<output>180</output>

<gadget id="calculator">5 - 1</gadget>
<output>4</output>

<gadget id="calculator">180 / 4</gadget>
<output>45</output>

<result>45</result>