A certain elementary school donated money to elementary school students in the earthquake-stricken area. The sixth grade donated 200 yuan. The fifth grade donated 5% less than the sixth grade, which was 95% of the fourth grade. How much did the fourth grade donate?
某小学为地震灾区的小学生捐款，六年级捐款200元，五年级捐款的钱数比六年级少5%，是四年级的95%，四年级捐款多少元？
<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">1 - (1/20)</gadget>
<output>19/20 = around 0.95</output>

<gadget id="calculator">200 * (19/20)</gadget>
<output>190</output>

<gadget id="calculator">95 / 100</gadget>
<output>19/20 = around 0.95</output>

<gadget id="calculator">190 / (19/20)</gadget>
<output>200</output>

<result>200</result>