Mr. Wang goes to the 18th floor to do business. There are 16 steps on each floor. Mr. Wang takes the elevator to the 7th floor, and then walks to the 18th floor. How many steps do you have to walk?
王老师到18楼办事，每一层有16级台阶，王老师坐电梯到7楼，然后步行到18楼，还要走多少级台阶？
<gadget id="calculator">18 - 7</gadget>
<output>11</output>

<gadget id="calculator">16 * 11</gadget>
<output>176</output>

<result>176</result>