9*17+91/17-5*17+45/17=how much.
9*17+91/17-5*17+45/17=多少．
<gadget id="calculator">9 * 17</gadget>
<output>153</output>

<gadget id="calculator">91 / 17</gadget>
<output>91/17 = around 5.352941</output>

<gadget id="calculator">5 * 17</gadget>
<output>85</output>

<gadget id="calculator">(91/17) - 85</gadget>
<output>-1_354/17 = around -79.647059</output>

<gadget id="calculator">45 / 17</gadget>
<output>45/17 = around 2.647059</output>

<gadget id="calculator">153 + (-1_354/17) + (45/17)</gadget>
<output>76</output>

<result>76</result>