There are 75 third-grade students who like to play table tennis, 53 who like to play basketball, and 23 who like both. How many people like to play table tennis and basketball?
三年级学生喜欢打乒乓球的有75人，喜欢打篮球的有53人，这两样都喜欢的有23人，喜欢打乒乓球和篮球的一共有多少人．
<gadget id="calculator">53 - 23</gadget>
<output>30</output>

<gadget id="calculator">75 + 30</gadget>
<output>105</output>

<result>105</result>