Xiaohong's house is on the fifth floor, and Xiaoming's is on the eighth floor. There are 16 steps on each floor. After Xiaoming comes home from school, he goes to play at Xiaohong's house. How many steps does he have to walk in total?
小红家在五楼，小明家在八楼，每层楼梯有16级台阶，小明放学从一楼回家后又到小红家玩，一共要走多少级台阶？
<gadget id="calculator">8 - 1</gadget>
<output>7</output>

<gadget id="calculator">8 - 5</gadget>
<output>3</output>

<gadget id="calculator">7 + 3</gadget>
<output>10</output>

<gadget id="calculator">16 * 10</gadget>
<output>160</output>

<result>160</result>