There are several alcohol solutions with an alcohol content of 36%, which are diluted with a certain amount of water to form a solution with an alcohol content of 30%. If it is further diluted to 24%, how many times the amount of water added last time should be added?
有酒精含量为36%的酒精溶液若干，加了一定数量的水后稀释成酒精含量为30%的溶液．如果再稀释到24%，那么还需要加水的数量是上次加的水的几倍？
<gadget id="calculator">36 / 100</gadget>
<output>9/25 = around 0.36</output>

<gadget id="calculator">100 * (9/25)</gadget>
<output>36</output>

<gadget id="calculator">24 / 100</gadget>
<output>6/25 = around 0.24</output>

<gadget id="calculator">36 / (6/25)</gadget>
<output>150</output>

<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">36 / (3/10)</gadget>
<output>120</output>

<gadget id="calculator">120 - 100</gadget>
<output>20</output>

<gadget id="calculator">150 - 100 - 20</gadget>
<output>30</output>

<gadget id="calculator">30 / 20</gadget>
<output>3/2 = around 1.5</output>

<result>3/2 = around 1.5</result>