In the division formula □/4=19…□, when the remainder is the largest, what is the dividend.
在□/4=19…□这个除法算式中，当余数最大时，被除数是多少．
<gadget id="calculator">4 * 19</gadget>
<output>76</output>

<gadget id="calculator">4 - 1</gadget>
<output>3</output>

<gadget id="calculator">76 + 3</gadget>
<output>79</output>

<result>79</result>