There are 20 steps to go up from the first floor to the second floor of a building, how many steps do you need to go up from the first floor to the sixth floor?
有一栋楼房，从一楼到二楼要上20步台阶，从一楼到六楼要上多少步台阶？
<gadget id="calculator">6 - 1</gadget>
<output>5</output>

<gadget id="calculator">20 * 5</gadget>
<output>100</output>

<result>100</result>