There are 22 steps between the two floors. How many steps are there from the first floor to the fourth floor?
两层楼之间有22个台阶，从一楼到四楼一共有多少个台阶．
<gadget id="calculator">4 - 1</gadget>
<output>3</output>

<gadget id="calculator">22 * 3</gadget>
<output>66</output>

<result>66</result>