A division formula, the quotient and remainder are both 3, the divisor is 29, what is the dividend.
一道除法算式，商和余数都是3，除数是29，被除数是多少．
<gadget id="calculator">29 * 3</gadget>
<output>87</output>

<gadget id="calculator">87 + 3</gadget>
<output>90</output>

<result>90</result>