The ratio of the number of goldfishes in tanks A and B is 3:2. If 18 goldfishes are fished out from tank A and put into tank B, the ratio of the number of goldfishes in tanks A and B is 3:4. How many goldfishes are there in tanks A and B?
甲乙两缸的金鱼条数比为3：2，如果从甲缸捞出18条放入乙缸，则甲乙两缸的金鱼条数比是3：4，求甲乙两缸共有金鱼多少条？
<gadget id="calculator">3 + 2</gadget>
<output>5</output>

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

<gadget id="calculator">3 + 4</gadget>
<output>7</output>

<gadget id="calculator">3 / 7</gadget>
<output>3/7 = around 0.428571</output>

<gadget id="calculator">(3/5) - (3/7)</gadget>
<output>6/35 = around 0.171429</output>

<gadget id="calculator">18 / (6/35)</gadget>
<output>105</output>

<result>105</result>