There are 180 fourth-grade students lined up in a four-way column (that is, 4 people in each row), and the distance between two adjacent rows is 1 meter, so how many meters is the total length of the column?
四年级学生180个人排成四路纵队(即每排4个人)，每相邻两排间相隔1米，那么这纵队队伍共长多少米．
<gadget id="calculator">180 / 4</gadget>
<output>45</output>

<gadget id="calculator">45 - 1</gadget>
<output>44</output>

<gadget id="calculator">44 * 1</gadget>
<output>44</output>

<result>44</result>