What is the product of (4/5) multiplied by 9.3 minus 8.5?
(4/5)乘9.3减去8.5的差，积是多少？
<gadget id="calculator">9.3 - 8.5</gadget>
<output>0.8</output>

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">0.8 * (4/5)</gadget>
<output>0.64</output>

<result>0.64</result>