It took Xiaoping 36 seconds to go from the ground floor to the fourth floor. Her family lives on the 7th floor. How many seconds does it take to get home from the ground floor?
小萍从底楼上到4楼，用了36秒钟．她家住在7楼，如果从底楼到家，一共需要多少秒钟？
<gadget id="calculator">4 - 1</gadget>
<output>3</output>

<gadget id="calculator">36 / 3</gadget>
<output>12</output>

<gadget id="calculator">7 - 1</gadget>
<output>6</output>

<gadget id="calculator">12 * 6</gadget>
<output>72</output>

<result>72</result>