Вывод "переменной" + "слово" - RS Form!

grandTotal73 = (totalzadanie_podpishiki_3 * totalkolvo_3) + (totalzadanie_layki_3 *  totalkolvo_3) + (totalzadanie_prosmotry_3 *  totalkolvo_3) + (totalzadanie_kommenty_3 *  totalkolvo_3) + (totalzadanie_statistika_3 *  totalkolvo_3);
	 RSFormPro.getFieldsByName(3, 'price1')[0].value = number_format(grandTotal73,2,'.',',');

RSFormPro.getFieldsByName(3, 'price1')[0].value = number_format(grandTotal73,2,'.',',')+" руб.";

.rsform-block-price1 .formControls:before {
   content: 'руб.';
   margin-left: 4px;
   line-height: 38px;
}
.rsform-block-price1 .rsform-input-box {
   float: left;
   width: 100px;
   text-align: right;
}