The school ordered textbooks for the next semester and distributed them to 36 classes. There are 48 students in each class, and 60 spare copies are set aside. How many copies are reserved in total?
学校预订下个学期的课本，发给36个班．每班48个同学，再留出60本备用，一共预订多少本？
<gadget id="calculator">36 * 48</gadget>
<output>1_728</output>

<gadget id="calculator">1_728 + 60</gadget>
<output>1_788</output>

<result>1_788</result>