What is the number obtained by first enlarging 78.6 by 100 times and then reducing it by 10 times?
把78.6先扩大100倍，再缩小10倍得到的数是多少．
<gadget id="calculator">100 / 10</gadget>
<output>10</output>

<gadget id="calculator">78.6 * 10</gadget>
<output>786</output>

<result>786</result>