The average score of Xiao Zhang, Xiao Wang, and Xiao Li is 90 points. After Xiao Jun’s exam, the average score of the four people is 9 points higher than Xiao Jun’s. How many points did Xiao Jun get in the test?
小张，小王，小李三个人的平均分是90分，当小俊考试结束后，四个人的平均分比小俊的分高9分，求小俊考了多少分？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">90 * (3/4)</gadget>
<output>135/2 = around 67.5</output>

<gadget id="calculator">(135/2) - 9</gadget>
<output>117/2 = around 58.5</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(117/2) / (3/4)</gadget>
<output>78</output>

<result>78</result>