The older sister and the younger brother got good grades in the final exam, the grandma gave 100 yuan (1/5) to the elder sister to buy school supplies, the grandfather gave 100 (1/5) yuan to the younger brother, and the older sister gave her the money from the grandma to herself ( 1/5) also gave to my younger brother. How much does your brother have now?
姐姐和弟弟期末考试取得好成绩，奶奶将100元的(1/5)奖给姐姐买学习用具，爷爷将100个(1/5)元奖给弟弟，姐姐又将奶奶给自己的钱的(1/5)也给了弟弟．弟弟现在有多少元？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">100 * (1/5) * (1/5)</gadget>
<output>4</output>

<gadget id="calculator">100 * (1/5)</gadget>
<output>20</output>

<gadget id="calculator">4 + 20</gadget>
<output>24</output>

<result>24</result>