and B have a certain amount of RMB, of which A accounts for 60%. If B gives A 12 yuan, the remaining money of B is 3 yuan less than the 25% of the total. How much RMB are A and B in total?
甲、乙两人有人民币若干元，其中甲占60%，若乙给甲12元后，乙余下的钱比总数的25%少3元，甲、乙两人共有人民币多少元？
<gadget id="calculator">12 - 3</gadget>
<output>9</output>

<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (3/5) - (1/4)</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">9 / (3/20)</gadget>
<output>60</output>

<result>60</result>