There are 60 students in class 1 of three years. If each person has 3 pencils on average, how many pencils are there in total in the class? If 18 of these are mechanical pencils, how many other pencils are there?
三年1班有60人，如果平均每人有3枝铅笔，班上一共有几枝铅笔？如果这其中有18枝是活动铅笔，那么其他铅笔有多少枝呢？
<gadget id="calculator">60 * 3</gadget>
<output>180</output>

<gadget id="calculator">180 - 18</gadget>
<output>162</output>

<result>162</result>