Jingjing goes upstairs, and needs to walk 36 steps from the first floor to the third floor. If the number of steps between each floor is the same, how many steps does Jingjing need to walk from the first floor to the sixth floor?
晶晶上楼，从第一层走到第三层需要走36级台阶．如果各层楼之间的台阶数相同，那么晶晶从第一层走到第六层需要走多少级台阶．
<gadget id="calculator">3 - 1</gadget>
<output>2</output>

<gadget id="calculator">36 / 2</gadget>
<output>18</output>

<gadget id="calculator">6 - 1</gadget>
<output>5</output>

<gadget id="calculator">18 * 5</gadget>
<output>90</output>

<result>90</result>