The product of x and 0.5 is 675 less than its 8 times, find x.
x与0.5的积比它的8倍少675，求x．
<gadget id="calculator">8 - 0.5</gadget>
<output>7.5</output>

<gadget id="calculator">675 / 7.5</gadget>
<output>90</output>

<result>90</result>