Cut a rectangular cardboard with a length of 0.75m and a width of 0.5m into squares of the same size without wasting materials. How many squares can be cut from this cardboard?
把一张长0.75m、宽0.5m的长方形硬纸板裁成大小相同的正方形，并且不能浪费材料，这张硬纸板至少可以裁出多少个正方形？
<gadget id="calculator">5 * 5 * 3</gadget>
<output>75</output>

<gadget id="calculator">5 * 5</gadget>
<output>25</output>

<gadget id="calculator">75 / 25</gadget>
<output>3</output>

<gadget id="calculator">5 * 5 * 2</gadget>
<output>50</output>

<gadget id="calculator">50 / 25</gadget>
<output>2</output>

<gadget id="calculator">3 * 2</gadget>
<output>6</output>

<result>6</result>