Xiaohong lives on the 4th floor, and she has to walk 17 steps to go up each floor, so how many steps does she have to walk from the first floor to the fourth floor.
小红家住4楼，她每上一层楼要走17级台阶，那么她从第一层到第四层要走多少级台阶．
<gadget id="calculator">4 - 1</gadget>
<output>3</output>

<gadget id="calculator">17 * 3</gadget>
<output>51</output>

<result>51</result>