What is the nearest meter to the thickness of 1,000 primary school mathematics books in the second volume of grade 6
把1000本6年级下册的小学数学书叠在一起的厚度最接近多少米
<gadget id="calculator">1_000 / 1_000</gadget>
<output>1</output>

<gadget id="calculator">7 * 1</gadget>
<output>7</output>

<result>7</result>