Hewlett-Packard (HPQ) reported a decline in sales and a sharp drop in profit Wednesday, as new CEO Meg Whitman warned "we have a long road ahead of us" in turning around the mammoth tech company.

In a more sweeping outline of her plans for HP than she has offered in public before, Whitman told analysts on a conference call that HP must find ways to cut spending so it can put more money into developing new products and getting them on the market more quickly.

"We underinvested in innovation for the last several years and we've been late to market too often," Whitman said of the company's troubled personal computer division. She also acknowledged challenges in the company's printing business, a longtime cash cow for HP, and added: "We've got to create the capacity for more sustainable innovation."

Without giving specifics, Whitman said she hopes to free up resources by "standardizing" or automating some of HP's internal operations, better coordinating the sales efforts of HP divisions and reducing the number of products or versions of products that HP sells.

"We cannot keep our current level of costs and just layer investment on top of that," she said.

Whitman's remarks came as HP reported the results of its first full quarter since she replaced the fired