A book with 150 pages, Dongdong has been reading for 3 days, 32 pages a day, how many pages are left? (Solve with a comprehensive formula)
一本书150页，冬冬已经看了3天，每天看32页，还剩多少页没有看？(用综合算式解答)
<gadget id="calculator">32 * 3</gadget>
<output>96</output>

<gadget id="calculator">150 - 96</gadget>
<output>54</output>

<result>54</result>