On a construction site, from one end of a straight road to the other end, a wooden pile is driven every 5 meters, and a total of 45 wooden piles are driven. If you want to change it to a wooden pile every 4 meters, how many wooden piles will you have to drive in total?
某工地从一条直道的一端到另一端，每隔5米打一个木桩，一共打了45个木桩．如果要改成每隔4米打一个木桩，一共要打多少个木桩？
<gadget id="calculator">45 - 1</gadget>
<output>44</output>

<gadget id="calculator">5 / 4</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">44 * (5/4)</gadget>
<output>55</output>

<gadget id="calculator">55 + 1</gadget>
<output>56</output>

<result>56</result>