The price of a pen is 8.5 yuan, which is 10 times that of a pen. The price of a watch is exactly 1000 times that of this pencil. How much is this watch?
一支钢笔的价钱是8.5元，是一支笔的10倍．一块儿手表的价钱正好这支铅笔的1000倍，这块儿手表是多少钱？
<gadget id="calculator">8.5 / 10</gadget>
<output>0.85</output>

<gadget id="calculator">0.85 * 1_000</gadget>
<output>850</output>

<result>850</result>