The school interest group is composed of some students in the third, fourth, fifth, and sixth grades. It is known that there are more students in the fourth grade than in the third grade (1/4), 10% less in the fifth grade than in the fourth grade, and 10% more in the sixth grade than in the fifth grade. If there are 38 more students in the sixth grade than in the third grade, how many students from the third to sixth grades in the interest group?
学校兴趣小组由三、四、五、六年级的部分同学组成，已知四年级学生比三年级多(1/4)，五年级比四年级少10%，六年级比五年级多10%，如果六年级比三年级多38人，那么兴趣小组三至六年级学生共有多少名？
<gadget id="calculator">1.2375 - 1</gadget>
<output>0.2375</output>

<gadget id="calculator">38 / 0.2375</gadget>
<output>160</output>

<gadget id="calculator">160 * 1.25</gadget>
<output>200</output>

<gadget id="calculator">160 * 1.125</gadget>
<output>180</output>

<gadget id="calculator">160 * 1.2375</gadget>
<output>198</output>

<gadget id="calculator">160 + 200 + 180 + 198</gadget>
<output>738</output>

<result>738</result>