Cut a rectangular iron sheet with a length of 92 cm and a width of 42 cm into a square iron sheet with the same number of centimeters and equal area. If there is no surplus, how many pieces can be cut at least?
把长92厘米，宽42厘米的长方形铁片剪成是整厘米数，面积都相等的正方形铁片，恰好无剩余，则至少能剪多少块？
<gadget id="calculator">92 / 2</gadget>
<output>46</output>

<gadget id="calculator">42 / 2</gadget>
<output>21</output>

<gadget id="calculator">46 * 21</gadget>
<output>966</output>

<result>966</result>