Xiaohua, Xiaokai and Xiaojun have an average score of 90 in mathematics. Xiao Hua got 96 points in the test, Xiao Kai was 6 points lower than Xiao Hua, how many points did Xiao Jun get in the test?
小华、小凯和小军的数学平均成绩为90分．小华考了96分，小凯比小华低6分，小军考了多少分．
<gadget id="calculator">90 * 3</gadget>
<output>270</output>

<gadget id="calculator">96 - 6</gadget>
<output>90</output>

<gadget id="calculator">270 - 96 - 90</gadget>
<output>84</output>

<result>84</result>