There are several goldfishes in tanks A and B, and the number of goldfishes in tank A accounts for 60% of the total number of goldfishes in the two tanks. Now take 12 goldfishes from tank B and put them into tank A. At this time, the number of goldfishes in tank B is 25% of cylinder A. How many goldfishes are there in Tank A?
甲、乙两缸内共有金鱼若干条，其中甲缸中金鱼的尾数占两缸金鱼总数的60%，现从乙缸内取出12条放入甲缸，这时乙缸内的金鱼条数是甲缸的25%．甲缸内原有金鱼多少条？
<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

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

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (3/5) - (1/5)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">12 / (1/5)</gadget>
<output>60</output>

<gadget id="calculator">60 * (3/5)</gadget>
<output>36</output>

<result>36</result>