The product of two numbers is 3500. The first number is enlarged by 10 times and the second number is reduced by 10 times. What is the new product?
两数的乘积是3500，第一个数扩大10倍，第二个数缩小10倍，新的积是多少．
<gadget id="calculator">10 / 10</gadget>
<output>1</output>

<gadget id="calculator">3_500 * 1</gadget>
<output>3_500</output>

<result>3_500</result>