A book has 242 pages. Xiao Ming plans to read it in three days. He reads 98 pages on the first day and 105 pages on the second day. How many pages will he read on the third day?
一本书有242页，小明打算三天看完，第一天看了98页，第二天看了105页，第三天要看多少页？
<gadget id="calculator">98 + 105</gadget>
<output>203</output>

<gadget id="calculator">242 - 203</gadget>
<output>39</output>

<result>39</result>