Zhang Yu scored 88 points in the third test, which was 10% higher than the second test. How many points did he score in the second test?
张宇第三次测验得88分，比第二次提高了10%，第二次测验得几分？
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 + (1/10)</gadget>
<output>11/10 = around 1.1</output>

<gadget id="calculator">88 / (11/10)</gadget>
<output>80</output>

<result>80</result>