A, B, and C practice shooting. They make 180 shots in total, and 45 of them miss. A, B, and B make 82 shots, and B, C, make 89 shots.
甲乙丙三人练习投篮，一共投了180次，有45次没投进，甲乙共投进82次，乙丙共投进89，则丙投进多少次．
<gadget id="calculator">82 + 89</gadget>
<output>171</output>

<gadget id="calculator">180 - 45</gadget>
<output>135</output>

<gadget id="calculator">171 - 135</gadget>
<output>36</output>

<gadget id="calculator">89 - 36</gadget>
<output>53</output>

<result>53</result>