A and B sell clothes, A makes a profit of 20%, and B loses 20%. At this time, A’s capital is three times that of B’s. They originally had a total capital of 150,000 yuan. How much capital does B have now? (column equation solution)
甲、乙两人卖服装，甲获利20%，乙亏本20%，此时甲的资金是乙的3倍，两人原来共有资金15万元，乙现在有资金多少万元？(列方程解答)
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">15 * (1/5)</gadget>
<output>3</output>

<gadget id="calculator">15 + 3</gadget>
<output>18</output>

<gadget id="calculator">3 * (1/5)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">(1/5) - (3/5)</gadget>
<output>-2/5 = around -0.4</output>

<gadget id="calculator">3 + 1 + (-2/5)</gadget>
<output>18/5 = around 3.6</output>

<gadget id="calculator">18 / (18/5)</gadget>
<output>5</output>

<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">5 * (4/5)</gadget>
<output>4</output>

<result>4</result>