The gymnastics team has 54 members, and 20% of the males are equal to 25% of the females. Now some males are needed for training, so that the ratio of females to males is 2:3. How many additional males are needed?
体操队有54人，其中男生的20%等于女生的25%，现在因训练需要增加一些男生，使女生人数与男生的比是2：3，还需增加多少男生？
<gadget id="calculator">5 + 4</gadget>
<output>9</output>

<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>

<gadget id="calculator">54 * (4/9)</gadget>
<output>24</output>

<gadget id="calculator">2 + 3</gadget>
<output>5</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">24 / (2/5)</gadget>
<output>60</output>

<gadget id="calculator">60 - 54</gadget>
<output>6</output>

<result>6</result>