A worker processes 200 parts, and it is stipulated that he will get 9 points of processing fee for each qualified part, and 20 cents and 4 points for damaged one. It is known that the worker actually received a processing fee of 17 yuan and 1 cent in the end. Ask him what is the pass rate of the processed parts?
某工人加工200个零件，规定每加工一个合格得到加工费9分，损坏一个赔2角4分．已知该工人最后实际领到加工费17元零1分．求他加工零件的合格率是多少？
<gadget id="calculator">0.09 * 200</gadget>
<output>18</output>

<gadget id="calculator">18 - 17.01</gadget>
<output>0.99</output>

<gadget id="calculator">0.24 + 0.09</gadget>
<output>0.33</output>

<gadget id="calculator">0.99 / 0.33</gadget>
<output>3</output>

<gadget id="calculator">200 - 3</gadget>
<output>197</output>

<gadget id="calculator">197 / 200</gadget>
<output>197/200 = around 0.985</output>

<result>197/200 = around 0.985</result>