3601-3604/68*39.
3601-3604/68*39．
<gadget id="calculator">3_604 / 68</gadget>
<output>53</output>

<gadget id="calculator">53 * 39</gadget>
<output>2_067</output>

<gadget id="calculator">3_601 - 2_067</gadget>
<output>1_534</output>

<result>1_534</result>